{"title":"Valve Stem Seals","description":null,"products":[{"product_id":"valve-stem-oil-seal-sbc-lt4","title":"Chevrolet Performance Valve Stem Oil Seal 11\/32in — Fits 1992-97 SBC LT4","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Chevrolet Performance Parts\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/_addEj_vCro\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eSuperior Oil Control for LT4 Engines\u003c\/h2\u003e\u003cp\u003eKeep your combustion chamber clean and prevent excessive oil consumption with the Chevrolet Performance Valve Stem Oil Seal. Engineered for the 1992-97 Small Block Chevy LT4 engines, these umbrella-style seals provide a reliable barrier against oil entering the valve guide area. Over time, heat and friction can cause standard seals to harden and fail, leading to blue smoke from the exhaust and carbon buildup on valves. Replacing these seals is an essential part of any cylinder head service or performance rebuild.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStyle: Umbrella Seal\u003c\/li\u003e\n\u003cli\u003eValve Stem Size: 11\/32 inches\u003c\/li\u003e\n\u003cli\u003eGuide Size: 0.500 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-temperature resistant rubber\u003c\/li\u003e\n\u003cli\u003eApplication: SBC LT4 and GM LT-Series\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese seals are crafted from high-grade rubber compounds designed to maintain flexibility and sealing integrity under extreme thermal conditions. By ensuring a tight seal around the valve stem, you protect your engine's performance and reduce the risk of oil-related detonation. Whether you are performing a top-end refresh or a full engine overhaul, choosing genuine Chevrolet Performance seals ensures compatibility and long-lasting durability. Maintain your engine's health and performance with high-quality components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Chevrolet Performance Parts products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/flywheel-dowel-locating-pin\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Flywheel Dowel Locating Pin 0.437in x 0.875in — Fits GM Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-gasket-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Gasket - Small Block Chevy Rubber 0.177in Thick\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-screw-sbc-w-center-bolt-covers\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Bolt 1\/4-20 x 3-5\/8in — Fits SBC Center Bolt Covers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance SBC Hydraulic Roller Camshaft - 0.474\/0.510 Lift\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-spring-shim-lt4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Spring Shim 0.035in Thick — Fits 1992-97 GM LT-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Chevrolet Performance Valve Stem Oil Seal 11\/32in \\u2014 Fits 1992-97 SBC LT4\",\"description\":\"Prevent oil consumption with the Chevrolet Performance Valve Stem Oil Seal. Designed for 11\/32in stems on SBC LT4 engines. Shop online at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Chevrolet Performance Parts\"},\"mpn\":\"10212810\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-stem-oil-seal-sbc-lt4\",\"offers\":{\"@type\":\"Offer\",\"price\":\"7.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-stem-oil-seal-sbc-lt4\",\"sku\":\"FMQX_10212810\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chevrolet Performance Parts\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Chevrolet+Performance+Parts\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Chevrolet Performance Valve Stem Oil Seal 11\/32in \\u2014 Fits 1992-97 SBC LT4\",\"item\":\"https:\/\/ggcracing.com\/products\/valve-stem-oil-seal-sbc-lt4\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Chevrolet Performance Valve Stem Oil Seal 11\/32in \\u2014 Fits 1992-97 SBC LT4 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Chevrolet Performance Parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Chevrolet Performance Valve Stem Oil Seal 11\/32in \\u2014 Fits 1992-97 SBC LT4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868090150996,"sku":"FMQX_10212810","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP10212810.jpg?v=1714293846"},{"product_id":"exhaust-valve-stem-seal-8pk","title":"Chevrolet Performance Valve Stem Seal Kit — 5\/16 Stem 0.500 Guide 8pk","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Chevrolet Performance Parts\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/r7EZw2kx6mA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrevent Oil Consumption with Premium Valve Stem Seals\u003c\/h2\u003e\u003cp\u003eKeep your engine running clean and efficient with this Chevrolet Performance Valve Stem Seal Kit. These positive-stop seals are designed to prevent oil from leaking past the valve guide and into the combustion chamber, a common cause of blue smoke and increased oil consumption. Engineered for 5\/16-inch valve stems and 0.500-inch guides, these seals provide a tight, reliable fit that holds up under high temperatures and varying engine pressures.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Positive Stop Valve Stem Seal\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 5\/16 inch\u003c\/li\u003e\n\u003cli\u003eGuide Diameter: 0.500 inch\u003c\/li\u003e\n\u003cli\u003eMaterial: High-temperature resistant rubber\u003c\/li\u003e\n\u003cli\u003eQuantity: 8-pack (ideal for cylinder head service)\u003c\/li\u003e\n\u003cli\u003eApplication: Performance and stock cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWorn valve stem seals can lead to carbon buildup on valves and pistons, which negatively impacts engine performance and longevity. Replacing your seals during a cylinder head refresh or valve job is a critical step in maintaining engine health. These genuine Chevrolet Performance seals are built to OEM standards, ensuring excellent sealing performance and durability. Whether you are performing a simple head gasket repair or a complete top-end rebuild, these seals are an essential component for ensuring your engine stays oil-tight and efficient. For all your engine sealing and gasket requirements, rely on the quality parts available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Chevrolet Performance Parts products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/flywheel-dowel-locating-pin\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Flywheel Dowel Locating Pin 0.437in x 0.875in — Fits GM Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-gasket-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Gasket - Small Block Chevy Rubber 0.177in Thick\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-screw-sbc-w-center-bolt-covers\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Bolt 1\/4-20 x 3-5\/8in — Fits SBC Center Bolt Covers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance SBC Hydraulic Roller Camshaft - 0.474\/0.510 Lift\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-spring-shim-lt4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Spring Shim 0.035in Thick — Fits 1992-97 GM LT-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Chevrolet Performance Valve Stem Seal Kit \\u2014 5\/16 Stem 0.500 Guide 8pk\",\"description\":\"Prevent oil consumption with Chevrolet Performance Valve Stem Seals. Designed for 5\/16-inch stems and 0.500-inch guides. Get your 8-pack at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Chevrolet Performance Parts\"},\"mpn\":\"12482062\",\"url\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-8pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"48.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-8pk\",\"sku\":\"FMQX_12482062\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chevrolet Performance Parts\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Chevrolet+Performance+Parts\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Chevrolet Performance Valve Stem Seal Kit \\u2014 5\/16 Stem 0.500 Guide 8pk\",\"item\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-8pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Chevrolet Performance Valve Stem Seal Kit \\u2014 5\/16 Stem 0.500 Guide 8pk fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Chevrolet Performance Parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Chevrolet Performance Valve Stem Seal Kit \\u2014 5\/16 Stem 0.500 Guide 8pk?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868149133396,"sku":"FMQX_12482062","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP12482062.jpg?v=1714294025"},{"product_id":"oil-seal-kit-intake-valves-stems","title":"Chevrolet Performance Viton Valve Stem Seal Kit 5\/16 Stem 0.500 Guide — Small Block V8","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Chevrolet Performance Parts\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/r7EZw2kx6mA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePremium Viton Valve Stem Seals for Superior Engine Sealing\u003c\/h2\u003e\u003cp\u003eEnsure your engine maintains peak efficiency and oil control with this Chevrolet Performance Valve Stem Seal Kit. Engineered for durability, these seals are crafted from high-grade Viton material, providing exceptional resistance to heat and oil degradation compared to standard rubber seals. Designed specifically for 5\/16 inch valve stems and 0.500 inch guide outside diameters, this set of 8 seals is an essential upgrade for any performance-focused engine build.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-performance Viton construction for long-lasting heat resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Perfectly fits 5\/16 inch valve stems with 0.500 inch guide OD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Includes a complete set of 8 seals for precise valvetrain maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Minimizes oil consumption and prevents valve guide wear under high-RPM conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a top-end refresh or a full engine rebuild, choosing genuine Chevrolet Performance components ensures factory-spec reliability and performance. These seals provide a tight, consistent fit that prevents oil leakage into the combustion chamber, protecting your engine's power output and longevity. Trust your valvetrain components to the experts at GGCRACING for your next automotive project.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Chevrolet Performance Parts products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/flywheel-dowel-locating-pin\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Flywheel Dowel Locating Pin 0.437in x 0.875in — Fits GM Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-gasket-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Gasket - Small Block Chevy Rubber 0.177in Thick\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-screw-sbc-w-center-bolt-covers\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Bolt 1\/4-20 x 3-5\/8in — Fits SBC Center Bolt Covers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance SBC Hydraulic Roller Camshaft - 0.474\/0.510 Lift\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-spring-shim-lt4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Spring Shim 0.035in Thick — Fits 1992-97 GM LT-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Chevrolet Performance Viton Valve Stem Seal Kit 5\/16 Stem 0.500 Guide \\u2014 Small Block V8\",\"description\":\"Upgrade your engine with Chevrolet Performance Viton valve stem seals. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Chevrolet Performance Parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Chevrolet Performance Viton Valve Stem Seal Kit 5\/16 Stem 0.500 Guide \\u2014 Small Bl?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868152213588,"sku":"FMQX_12482063","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP12482063.jpg?v=1714294034"},{"product_id":"exhaust-valve-stem-seal-1pk","title":"Chevrolet Performance Exhaust Valve Stem Seal 5\/16 in — Fits Performance Engines","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Chevrolet Performance Parts\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eChevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/_addEj_vCro\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eSuperior Oil Control with Positive Stop Valve Seals\u003c\/h2\u003e\u003cp\u003eMaintain peak engine performance and prevent unwanted oil consumption with the Chevrolet Performance Exhaust Valve Stem Seal. These positive-stop seals are designed to provide a precise, reliable barrier against oil entering the combustion chamber through the valve guides. Featuring a high-quality Viton construction with a steel body, these seals are engineered to withstand the extreme temperatures and high-frequency movement found in performance cylinder heads.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Type:\u003c\/strong\u003e Positive Stop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Stem Diameter:\u003c\/strong\u003e 5\/16 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 0.630 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel Body with Viton Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 Pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOil control is paramount in any high-performance engine build. Worn or inferior valve seals can lead to smoking, carbon buildup on valves, and reduced power output. These Chevrolet Performance seals ensure that your valvetrain remains properly lubricated while keeping oil exactly where it belongs. The Viton material offers superior resistance to heat and chemical degradation compared to standard rubber seals, making them an ideal choice for both street and track applications. Whether you are rebuilding a stock engine or assembling a high-compression performance head, trust in the reliability of genuine GM sealing components. Find these and other essential engine gaskets at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Chevrolet Performance Parts products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/flywheel-dowel-locating-pin\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Flywheel Dowel Locating Pin 0.437in x 0.875in — Fits GM Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-gasket-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Gasket - Small Block Chevy Rubber 0.177in Thick\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-cover-screw-sbc-w-center-bolt-covers\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Cover Bolt 1\/4-20 x 3-5\/8in — Fits SBC Center Bolt Covers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance SBC Hydraulic Roller Camshaft - 0.474\/0.510 Lift\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/valve-spring-shim-lt4\" style=\"color:#0066cc;text-decoration:none;\"\u003eChevrolet Performance Valve Spring Shim 0.035in Thick — Fits 1992-97 GM LT-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Chevrolet Performance Exhaust Valve Stem Seal 5\/16 in \\u2014 Fits Performance Engines\",\"description\":\"Prevent oil consumption with the Chevrolet Performance exhaust valve stem seal. Positive stop, Viton construction. Shop quality engine seals at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Chevrolet Performance Parts\"},\"mpn\":\"12564852\",\"url\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-1pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"14.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-1pk\",\"sku\":\"FMQX_12564852\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Chevrolet Performance Parts\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Chevrolet+Performance+Parts\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Chevrolet Performance Exhaust Valve Stem Seal 5\/16 in \\u2014 Fits Performance Engines\",\"item\":\"https:\/\/ggcracing.com\/products\/exhaust-valve-stem-seal-1pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Chevrolet Performance Exhaust Valve Stem Seal 5\/16 in \\u2014 Fits Performance Engines fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Chevrolet Performance Parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Chevrolet Performance Exhaust Valve Stem Seal 5\/16 in \\u2014 Fits Performance Engines?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868242030676,"sku":"FMQX_12564852","price":15.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP12564852.jpg?v=1714294369"},{"product_id":"11-32-valve-stem-seal-531-guide","title":"Brodix Viton Valve Stem Seal 11\/32 Stem .531 Guide — High Performance Seal","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Brodix\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eBrodix engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Brodix lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Temperature Viton Valve Stem Seals\u003c\/h2\u003e\u003cp\u003eEnsure your engine stays lubricated where it needs to be and dry where it doesn't with Brodix Viton valve stem seals. These positive-stop seals are designed for 11\/32-inch valve stems and 0.531-inch valve guides. Made from premium Viton material, these seals provide exceptional resistance to high temperatures and chemical degradation, making them ideal for high-performance racing engines.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Viton (High-Temp Fluoroelastomer)\u003c\/li\u003e\n\u003cli\u003eValve Stem Size: 11\/32 inches\u003c\/li\u003e\n\u003cli\u003eGuide Diameter: 0.531 inches\u003c\/li\u003e\n\u003cli\u003eSeal Type: Positive Stop\u003c\/li\u003e\n\u003cli\u003eApplication: High-Performance Cylinder Heads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eViton is the industry standard for high-performance valve seals due to its ability to maintain elasticity and sealing integrity even under extreme thermal stress. These seals effectively control oil flow to the valve stem, preventing excessive oil consumption and reducing the risk of carbon buildup in the combustion chamber. The positive-stop design ensures the seal stays securely in place, even under high-RPM valve train activity. Whether you are building a street-strip machine or a full-blown race engine, these seals provide the protection your valve train needs to operate reliably. Don't let worn seals compromise your engine's performance or emissions. Upgrade to Brodix Viton seals for peace of mind. Find all your essential engine gaskets and seals at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Brodix products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-227cc-track-1-kc-cnc-ported-heads-2-08-1-60\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix Track 1 KC CNC Ported Aluminum Cylinder Heads — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-180cc-ik180-heads-64cc-s-p-assembled\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix IK180 Aluminum Cylinder Heads 180cc 64cc Assembled — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-180cc-ik-180-heads-64cc-s-p-assembled\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix SBC 180cc IK 180 Assembled Cylinder Heads — Small Block Chevy (1.470 Springs)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/br-ls-compatible-series-cylinder-heads-12deg-b\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix BR7 LS Compatible Cylinder Heads 262cc 71cc Bare — Fits GM LS-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-225cc-d-s-heads-68cc-2-08-1-60-bare\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix Dragon Slayer Cylinder Heads 225cc 68cc Bare — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Brodix Viton Valve Stem Seal 11\/32 Stem .531 Guide \\u2014 High Performance Seal\",\"description\":\"Prevent oil consumption with Brodix Viton valve stem seals. Designed for 11\/32 stems and .531 guides. Shop high-quality engine seals at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Brodix\"},\"mpn\":\"USVS529V\",\"url\":\"https:\/\/ggcracing.com\/products\/11-32-valve-stem-seal-531-guide\",\"offers\":{\"@type\":\"Offer\",\"price\":\"1.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/11-32-valve-stem-seal-531-guide\",\"sku\":\"BJBD_US VS529V\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Brodix\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Brodix\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Brodix Viton Valve Stem Seal 11\/32 Stem .531 Guide \\u2014 High Performance Seal\",\"item\":\"https:\/\/ggcracing.com\/products\/11-32-valve-stem-seal-531-guide\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Brodix Viton Valve Stem Seal 11\/32 Stem .531 Guide \\u2014 High Performance Seal fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Brodix?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Brodix Viton Valve Stem Seal 11\/32 Stem .531 Guide \\u2014 High Performance Seal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Brodix","offers":[{"title":"Default Title","offer_id":40869672976468,"sku":"BJBD_US VS529V","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/BROUSVS529V.jpg?v=1714324955"},{"product_id":"valve-stem-seals-16pk-6-6l-duramax-01-09","title":"Clevite77 Valve Stem Seals 16pk Positive Stop — Fits 6.6L Duramax 01-09","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Clevite77\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eClevite77 engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Clevite77 lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance Valve Stem Seals for Duramax\u003c\/h2\u003e\u003cp\u003eStop oil burning and maintain peak engine efficiency with the Clevite77 SS45974 Valve Stem Seal Set. Specifically engineered for the 6.6L Duramax diesel engine (2001-2009), these positive-stop seals provide a superior barrier against oil entering the combustion chamber through the valve guides. If you notice blue smoke at startup or increased oil consumption, replacing your valve stem seals is a critical maintenance step.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 16 seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive Stop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 6.6L Duramax Diesel (2001-2009)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temp resistant synthetic rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBenefit:\u003c\/strong\u003e Prevents oil leakage and carbon buildup\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese positive-stop valve stem seals are designed to handle the high pressures and temperatures inherent in diesel engine operation. By ensuring a tight seal around the valve stem, they prevent oil from leaking past the guide, which reduces carbon deposits on intake valves and pistons. This leads to cleaner combustion, better fuel economy, and improved overall engine performance. Whether you are performing a cylinder head service or a full engine rebuild, these seals are a must-have for any Duramax owner. Trust GGCRACING for high-quality engine sealing solutions that keep your truck running stronger for longer.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Clevite77 products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/piston-pin-bushing-ford-6-0l-diesel-03-09\" style=\"color:#0066cc;text-decoration:none;\"\u003eClevite77 Piston Pin Bushing Bronze — Fits 2003-2009 Ford 6.0L PowerStroke Diesel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/piston-single-dodge-5-9l-cummins\" style=\"color:#0066cc;text-decoration:none;\"\u003eClevite77 Cast Piston 4.036 Bore — Fits 5.9L Dodge Cummins Diesel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/assembly-lube-8oz-bottle\" style=\"color:#0066cc;text-decoration:none;\"\u003eClevite77 Engine Assembly Lube 8oz Bottle — Extreme Pressure Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/head-gasket-sbf\" style=\"color:#0066cc;text-decoration:none;\"\u003eClevite77 Cylinder Head Gasket 4.080 Bore 0.045 Thick — Small Block Ford\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/moly-piston-ring-set-3-780-bore\" style=\"color:#0066cc;text-decoration:none;\"\u003eClevite77 Moly Piston Ring Set 3.780 Bore Standard Tension — Performance Engine Rebuild\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Clevite77 Valve Stem Seals 16pk Positive Stop \\u2014 Fits 6.6L Duramax 01-09\",\"description\":\"Prevent oil consumption in your 6.6L Duramax with Clevite77 SS45974 valve stem seals. High-quality 16-pack set for 2001-2009 engines. Shop at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Clevite77\"},\"mpn\":\"SS45974\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-stem-seals-16pk-6-6l-duramax-01-09\",\"offers\":{\"@type\":\"Offer\",\"price\":\"26.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-stem-seals-16pk-6-6l-duramax-01-09\",\"sku\":\"BBKS_SS45974\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Clevite77\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Clevite77\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Clevite77 Valve Stem Seals 16pk Positive Stop \\u2014 Fits 6.6L Duramax 01-09\",\"item\":\"https:\/\/ggcracing.com\/products\/valve-stem-seals-16pk-6-6l-duramax-01-09\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Clevite77 Valve Stem Seals 16pk Positive Stop \\u2014 Fits 6.6L Duramax 01-09 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Clevite77?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Clevite77 Valve Stem Seals 16pk Positive Stop \\u2014 Fits 6.6L Duramax 01-09?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Clevite77","offers":[{"title":"Default Title","offer_id":40869991481428,"sku":"BBKS_SS45974","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/M77SS45974.jpg?v=1714329594"},{"product_id":"valve-seals-11-32-x-500-pc-type-w-o-glue","title":"Howards Cams PTFE Valve Stem Seals 11\/32\" x .500\" PC Type — Set of 16 for Optimal Oil Control","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Howards Cams Inc\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHowards Cams Inc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Howards Cams Inc lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eAchieve Superior Oil Control with Howards Cams PTFE Valve Stem Seals\u003c\/h2\u003e\u003cp\u003eOptimize your engine's oil consumption and maintain peak performance with Howards Cams 11\/32\" x .500\" PTFE Valve Stem Seals. This comprehensive set of 16 positive stop, PC-type seals is meticulously engineered to prevent oil from entering the combustion chamber through the valve guides. By providing a precise and durable seal, these components are critical for reducing exhaust smoke, improving fuel efficiency, and ensuring the long-term health and cleanliness of your engine.\u003c\/p\u003e\u003ch3\u003eAdvanced PTFE Construction for Lasting Performance\u003c\/h3\u003e\u003cp\u003eCrafted from premium PTFE (Polytetrafluoroethylene), these valve stem seals offer exceptional heat resistance, chemical inertness, and low friction properties. Unlike traditional rubber seals, PTFE maintains its integrity and sealing effectiveness under extreme engine temperatures and prolonged use, providing superior durability and consistent oil control. The positive stop design ensures correct installation height and prevents the seal from riding up the valve stem, guaranteeing optimal performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePremium PTFE Material:\u003c\/b\u003e Offers superior heat and chemical resistance for extended life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e11\/32\" Valve Stem Diameter:\u003c\/b\u003e Designed for precise fitment on common valve stems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e.500\" Guide OD:\u003c\/b\u003e Ensures compatibility with specific valve guide dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePositive Stop Design:\u003c\/b\u003e Guarantees accurate installation and consistent sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePC Type Seal:\u003c\/b\u003e Provides effective oil scraping action for optimal control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet of 16:\u003c\/b\u003e Complete package for a full engine rebuild or upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEssential for Engine Longevity and Efficiency\u003c\/h3\u003e\u003cp\u003eWorn or ineffective valve stem seals are a common cause of oil consumption and blue exhaust smoke. Upgrading to Howards Cams PTFE Valve Stem Seals is a smart investment in your engine's longevity and efficiency. These seals are vital for maintaining proper cylinder lubrication without excess oil entering the combustion process, which can lead to carbon buildup and reduced performance. Trust Howards Cams for the precision components that keep your engine running clean and strong. Explore high-quality engine seals at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Howards Cams Inc products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams Inc. SBC Hydraulic Flat Tappet Camshaft — Lift 0.508\/0.530, Duration 243\/253,\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hydraulic-cam-sbc-max-oval\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Oval Hydraulic Flat Tappet Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hydraulic-roller-cam-sbc-max-marine\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Marine Hydraulic Roller Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams 110255-10 Hydraulic Roller Camshaft — High Performance SBC 2200-5800 RPM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/solid-cam-sbc-max-oval-w-small-base-circle\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Oval Solid Flat Tappet Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Howards Cams PTFE Valve Stem Seals 11\/32\\\" x .500\\\" PC Type \\u2014 Set of 16 for Optimal Oil Control\",\"description\":\"Ensure superior oil control with Howards Cams 11\/32\\\" x .500\\\" PTFE valve stem seals. This 16-piece set prevents oil consumption and maintains engine health.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Howards Cams Inc\"},\"mpn\":\"93311\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-seals-11-32-x-500-pc-type-w-o-glue\",\"offers\":{\"@type\":\"Offer\",\"price\":\"9.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/valve-seals-11-32-x-500-pc-type-w-o-glue\",\"sku\":\"BKRV_93311\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Howards Cams Inc\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Howards+Cams+Inc\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Howards Cams PTFE Valve Stem Seals 11\/32\\\" x .500\\\" PC Type \\u2014 Set of 16 for Optimal Oil Control\",\"item\":\"https:\/\/ggcracing.com\/products\/valve-seals-11-32-x-500-pc-type-w-o-glue\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Howards Cams PTFE Valve Stem Seals 11\/32\\\" x .500\\\" PC Type \\u2014 Set of 16 for Optima fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Howards Cams Inc?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Howards Cams PTFE Valve Stem Seals 11\/32\\\" x .500\\\" PC Type \\u2014 Set of 16 for Optima?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Howards Cams Inc","offers":[{"title":"Default Title","offer_id":40880916430932,"sku":"BKRV_93311","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HRC93311.jpg?v=1714529242"},{"product_id":"comp-cams11-32in-valve-stem-seals-posi-stop-teflon-530","title":"COMP Cams Posi-Stop Valve Stem Seals 11\/32in Stem .530in Guide — Set of 16","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout COMP Cams\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eCOMP Cams engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full COMP Cams lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Valve Control with COMP Cams\u003c\/h2\u003e\u003cp\u003eEnsure your engine maintains optimal oil control and compression with the COMP Cams Posi-Stop Valve Stem Seals. Engineered for high-performance applications, these 11\/32in valve stem seals are crafted from premium PTFE (Teflon) material, providing superior heat resistance and durability compared to standard rubber seals. Whether you are building a street machine or a track-ready engine, these seals provide the consistent sealing required for high-RPM stability.\u003c\/p\u003e\u003ch3\u003eKey Technical Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive Stop style for secure fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Compatibility:\u003c\/strong\u003e Precision fit for 11\/32in valve stems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide Diameter:\u003c\/strong\u003e Engineered for .530in valve guides\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade PTFE for reduced friction and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Complete set of 16 seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Posi-Stop design ensures that the seal remains firmly in place, preventing oil consumption and smoke at the exhaust. By minimizing oil leakage into the combustion chamber, these seals help maintain the integrity of your air-fuel mixture, leading to cleaner combustion and improved engine efficiency. These seals are an essential upgrade for any cylinder head rebuild or cam swap, offering the reliability that professional engine builders demand. Trust your engine build to the experts at GGCRACING for all your high-performance valvetrain needs.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular COMP Cams products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camscam-gear-set-adjustable-ford-2v-4v-modular\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Adjustable Cam Gear Set — Ford 2V\/4V Modular Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camshrt-hyd-roller-cam-5-7l-6-1l-dodge-hemi\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams HRT Stage 2 Hydraulic Roller Cam — 5.7L\/6.1L Dodge Hemi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camsxfi-hyd-roller-cam-5-7l-hemi-xfi268h13\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams XFI Hydraulic Roller Cam — 5.7L Dodge Hemi XFI268H13\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camssbc-cam-286h-hyd\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Magnum 286H Hydraulic Flat Tappet Camshaft — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camstrunion-kit-gm-ls-type-rocker-arm-retro-fit\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Trunnion Upgrade Kit — Fits GM LS-Series Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"COMP Cams Posi-Stop Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Set of 16\",\"description\":\"Upgrade your engine with COMP Cams 11\/32in Posi-Stop Teflon valve stem seals. Designed for .530in guides. Shop high-performance engine parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"COMP Cams\"},\"mpn\":\"503-16\",\"url\":\"https:\/\/ggcracing.com\/products\/comp-cams11-32in-valve-stem-seals-posi-stop-teflon-530\",\"offers\":{\"@type\":\"Offer\",\"price\":\"35.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/comp-cams11-32in-valve-stem-seals-posi-stop-teflon-530\",\"sku\":\"BDQQ_503-16\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"COMP Cams\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=COMP+Cams\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"COMP Cams Posi-Stop Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Set of 16\",\"item\":\"https:\/\/ggcracing.com\/products\/comp-cams11-32in-valve-stem-seals-posi-stop-teflon-530\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the COMP Cams Posi-Stop Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Set of 16 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for COMP Cams?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the COMP Cams Posi-Stop Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Set of 16?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":41121115832404,"sku":"BDQQ_503-16","price":38.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/COM503-16.jpg?v=1717358020"},{"product_id":"comp-camsviton-valve-seals-11-32in-steel-body-530i","title":"COMP Cams Viton Valve Stem Seals 11\/32in Stem .530in Guide — Performance Engine Parts","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout COMP Cams\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eCOMP Cams engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full COMP Cams lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSuperior Engine Protection with COMP Cams\u003c\/h2\u003e\u003cp\u003eMaintain your engine's peak performance and prevent unwanted oil consumption with COMP Cams Viton Valve Stem Seals. Designed specifically for 11\/32-inch valve stems and .530-inch guides, these positive-stop seals are a critical upgrade for any high-performance engine build. Viton material is chosen for its exceptional heat resistance and durability, ensuring a tight seal even under the most demanding racing conditions.\u003c\/p\u003e\u003ch3\u003eFeatures and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-grade Viton construction for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003ePositive-stop design for precise oil control\u003c\/li\u003e\n\u003cli\u003eFits 11\/32-inch valve stems\u003c\/li\u003e\n\u003cli\u003eDesigned for .530-inch valve guides\u003c\/li\u003e\n\u003cli\u003eSet of 16 seals for a complete engine refresh\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eValve stem seals are often overlooked, but they play a vital role in engine longevity. Worn or inferior seals can lead to oil leaking into the combustion chamber, causing smoke, carbon buildup, and reduced power. By upgrading to these COMP Cams Viton seals, you ensure that your valve train remains properly lubricated without the risk of oil bypass. These seals are ideal for street performance and track-oriented engines that see high RPMs and elevated temperatures. The steel body provides a secure fitment, while the Viton seal material maintains its elasticity over time, resisting the hardening and cracking that plague standard rubber seals. Whether you are performing a cam swap, a cylinder head rebuild, or a complete engine overhaul, these valve seals are an essential component for reliability. Keep your engine running clean and strong with premium parts from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular COMP Cams products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camscam-gear-set-adjustable-ford-2v-4v-modular\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Adjustable Cam Gear Set — Ford 2V\/4V Modular Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camshrt-hyd-roller-cam-5-7l-6-1l-dodge-hemi\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams HRT Stage 2 Hydraulic Roller Cam — 5.7L\/6.1L Dodge Hemi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camsxfi-hyd-roller-cam-5-7l-hemi-xfi268h13\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams XFI Hydraulic Roller Cam — 5.7L Dodge Hemi XFI268H13\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camssbc-cam-286h-hyd\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Magnum 286H Hydraulic Flat Tappet Camshaft — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/comp-camstrunion-kit-gm-ls-type-rocker-arm-retro-fit\" style=\"color:#0066cc;text-decoration:none;\"\u003eCOMP Cams Trunnion Upgrade Kit — Fits GM LS-Series Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"COMP Cams Viton Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Performance Engine Parts\",\"description\":\"Prevent oil consumption with COMP Cams Viton Valve Stem Seals. Designed for 11\/32in stems and .530in guides. Get yours at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"COMP Cams\"},\"mpn\":\"529-16\",\"url\":\"https:\/\/ggcracing.com\/products\/comp-camsviton-valve-seals-11-32in-steel-body-530i\",\"offers\":{\"@type\":\"Offer\",\"price\":\"47.95\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/comp-camsviton-valve-seals-11-32in-steel-body-530i\",\"sku\":\"BDQQ_529-16\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"COMP Cams\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=COMP+Cams\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"COMP Cams Viton Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Performance Engine Parts\",\"item\":\"https:\/\/ggcracing.com\/products\/comp-camsviton-valve-seals-11-32in-steel-body-530i\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the COMP Cams Viton Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Performance Engine  fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for COMP Cams?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the COMP Cams Viton Valve Stem Seals 11\/32in Stem .530in Guide \\u2014 Performance Engine ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":41121120157780,"sku":"BDQQ_529-16","price":53.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/COM529-16.jpg?v=1717358429"},{"product_id":"allstar-performance-umbrella-valve-seals-11-32in-16pk","title":"Allstar Performance Umbrella Valve Seals 11\/32in 0.580in Guide — Fits Small Block Chevy","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Quality Umbrella Valve Seals for SBC Engines\u003c\/h2\u003e\u003cp\u003eEnsure your Small Block Chevy engine runs at peak performance with Allstar Performance Umbrella Valve Seals. These high-quality rubber seals are engineered to provide a reliable barrier against oil consumption, preventing excess oil from entering the combustion chamber through the valve guides. Designed specifically for 11\/32 inch valve stems and 0.580 inch guide diameters, these seals offer a precise fit for street and mild performance applications.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for Durability:\u003c\/strong\u003e Constructed from premium-grade rubber to withstand high engine temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Fitment:\u003c\/strong\u003e Designed for 11\/32 inch valve stems and 0.580 inch guide diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Control:\u003c\/strong\u003e Effectively reduces oil consumption and prevents smoke at startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e Includes 16 seals, perfect for a full engine refresh or cylinder head rebuild.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simple umbrella design allows for straightforward installation without specialized tooling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a routine maintenance task or a complete engine rebuild, choosing the right valve seals is critical for engine longevity. These seals provide the necessary protection to keep your valve train lubricated while maintaining clean combustion. Trust in the quality of Allstar Performance components for your next build. For all your high-performance automotive needs, choose GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Umbrella Valve Seals 11\/32in 0.580in Guide \\u2014 Fits Small Block Chevy\",\"description\":\"Upgrade your engine reliability with Allstar Performance 11\/32 umbrella valve seals. 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From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eBulk Umbrella Valve Seals for Professional Engine Builders\u003c\/h2\u003e\u003cp\u003eFor engine builders and high-volume shops, the Allstar Performance 11\/32 inch Umbrella Valve Seal 100-pack offers the perfect balance of quality and value. These rubber umbrella-style seals are specifically designed to fit 0.580 inch guide diameters, ensuring a consistent and effective seal for Small Block Chevy applications. By preventing oil from migrating down the valve stem, these seals help maintain optimal combustion efficiency and reduce harmful emissions.\u003c\/p\u003e\u003ch3\u003eWhy Choose Allstar Performance Bulk Seals?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value:\u003c\/strong\u003e 100-pack configuration is ideal for professional engine shops and frequent builders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Sealing:\u003c\/strong\u003e High-grade rubber construction ensures long-lasting performance under normal operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Specific:\u003c\/strong\u003e Perfectly sized for 11\/32 inch stems and 0.580 inch guide bosses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Efficiency:\u003c\/strong\u003e Reduces oil burning and keeps combustion chambers cleaner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Quality:\u003c\/strong\u003e Manufactured to strict standards to ensure every seal in the box meets your expectations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let worn valve seals compromise your engine build. These umbrella seals provide a cost-effective solution for maintaining valve train integrity across multiple projects. Their simple design ensures quick installation, saving you valuable time in the shop. When you need reliable engine components in bulk, look no further than the selection available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Umbrella Valve Seals 11\/32in 0.580in Guide \\u2014 Fits Small Block Chevy 100pk\",\"description\":\"Stock up on Allstar Performance 11\/32 umbrella valve seals for your shop. 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See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351383580756,"sku":"DNLF_ALL90235-100","price":104.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90235-100.jpg?v=1719185516"},{"product_id":"allstar-performance-valve-seals-11-32-ptfe-531-guide","title":"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide — Positive Stop","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePremium PTFE Positive Stop Valve Seals\u003c\/h2\u003e\u003cp\u003eUpgrade your engine's valve train with Allstar Performance PTFE Positive Stop Valve Seals. Unlike standard rubber seals, these PTFE (Polytetrafluoroethylene) seals offer superior heat resistance and durability, making them an excellent choice for high-performance and racing engines. Designed for 11\/32 inch valve stems and 0.531 inch guide diameters, these seals provide a secure, positive-stop fit that ensures maximum oil control even under extreme RPM and thermal conditions.\u003c\/p\u003e\u003ch3\u003eAdvanced Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePTFE Material:\u003c\/strong\u003e Provides exceptional thermal stability and low friction for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Stop Design:\u003c\/strong\u003e Ensures the seal stays firmly in place, providing superior oil metering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineered:\u003c\/strong\u003e Designed for 11\/32 inch stems and 0.531 inch guide bosses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Ready:\u003c\/strong\u003e Ideal for engines that see higher temperatures and aggressive valve train profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set:\u003c\/strong\u003e Includes 16 seals to cover a full cylinder head set.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen building a high-performance engine, every component matters. PTFE seals are the gold standard for preventing oil leakage into the combustion chamber, protecting your engine from carbon buildup and detonation. These seals are built to withstand the rigors of the track while maintaining a perfect seal on your valve guides. For premium engine components and expert advice, trust the inventory at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop\",\"description\":\"Upgrade to Allstar Performance PTFE positive stop valve seals for 11\/32in stems and 0.531in guides. Superior durability for your engine at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90240\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide\",\"offers\":{\"@type\":\"Offer\",\"price\":\"30.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide\",\"sku\":\"DNLF_ALL90240\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351383810132,"sku":"DNLF_ALL90240","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90240.jpg?v=1719185525"},{"product_id":"allstar-performance-valve-seals-11-32-ptfe-531-guide-1","title":"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide — Positive Stop 100pk","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eBulk PTFE Positive Stop Valve Seals for Performance Builds\u003c\/h2\u003e\u003cp\u003eEquip your engine shop with the best in valve train technology. The Allstar Performance PTFE Positive Stop Valve Seal 100-pack is designed for builders who demand reliability and performance. These PTFE seals are engineered to handle the intense heat and pressure of modern high-performance engines, featuring a positive-stop design that locks securely onto 0.531 inch guides for 11\/32 inch stems. With 100 seals per pack, you are prepared for multiple engine builds or large-scale cylinder head overhauls.\u003c\/p\u003e\u003ch3\u003eWhy Choose PTFE Seals?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Heat Resistance:\u003c\/strong\u003e PTFE material outperforms standard rubber in high-temperature environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Convenience:\u003c\/strong\u003e 100-pack provides excellent value for professional engine builders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Fit:\u003c\/strong\u003e Positive-stop design ensures the seal remains locked in place under high-lift cam profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Oil Control:\u003c\/strong\u003e Precision metering prevents oil consumption without starving the valve stem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Application:\u003c\/strong\u003e Suitable for a wide range of racing and street performance cylinder heads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eInvesting in high-quality PTFE seals is a small step that yields significant results in engine longevity and power output. By preventing oil contamination, these seals help ensure your engine maintains consistent compression and peak performance. Whether you are building for the track or the street, these seals provide the durability you need. Discover the full range of professional-grade engine components available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop 100pk\",\"description\":\"Get bulk pricing on Allstar Performance PTFE positive stop valve seals. 100-pack for 11\/32in stems and 0.531in guides. Order now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90240-100\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"179.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide-1\",\"sku\":\"DNLF_ALL90240-100\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop 100pk\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-531-guide-1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop 100pk fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance PTFE Valve Seals 11\/32in 0.531in Guide \\u2014 Positive Stop 100pk?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351384105044,"sku":"DNLF_ALL90240-100","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90240-100.jpg?v=1719185534"},{"product_id":"allstar-performance-valve-seals-11-32-ptfe-500-guide","title":"Allstar Performance PTFE Valve Seals 11\/32in 0.500in Guide — Positive Stop","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance PTFE Valve Seals for 0.500 inch Guides\u003c\/h2\u003e\u003cp\u003eOptimize your engine's performance with Allstar Performance PTFE Positive Stop Valve Seals. These high-end seals are specifically engineered for engines utilizing 0.500 inch guide diameters and 11\/32 inch valve stems. The PTFE construction provides a significant upgrade over traditional materials, offering superior resistance to heat, wear, and chemical degradation. This makes them an essential component for any high-performance or racing engine build where reliability is paramount.\u003c\/p\u003e\u003ch3\u003eKey Technical Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced PTFE Material:\u003c\/strong\u003e Offers low friction and high temperature tolerance for demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive Stop Design:\u003c\/strong\u003e Provides a secure, leak-proof fit that won't back off under vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e Specifically sized for 11\/32 inch valve stems and 0.500 inch guide bosses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Durability:\u003c\/strong\u003e Resists hardening and cracking, ensuring a long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 16:\u003c\/strong\u003e Perfectly sized for a complete cylinder head set.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen you are pushing your engine to the limit, you need components that won't fail. These PTFE seals are designed to keep oil exactly where it belongs, preventing the common issues associated with oil leakage into the combustion chamber. By maintaining a clean valve train, you ensure better combustion and consistent power delivery throughout the RPM range. Trust the experts at GGCRACING to provide the high-quality parts you need for your next high-performance project.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.500in Guide \\u2014 Positive Stop\",\"description\":\"Shop Allstar Performance PTFE positive stop valve seals for 11\/32in stems and 0.500in guides. Durable, high-performance sealing at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90241\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide\",\"offers\":{\"@type\":\"Offer\",\"price\":\"30.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide\",\"sku\":\"DNLF_ALL90241\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance PTFE Valve Seals 11\/32in 0.500in Guide \\u2014 Positive Stop\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance PTFE Valve Seals 11\/32in 0.500in Guide \\u2014 Positive Stop fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance PTFE Valve Seals 11\/32in 0.500in Guide \\u2014 Positive Stop?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351384268884,"sku":"DNLF_ALL90241","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90241.jpg?v=1719185543"},{"product_id":"allstar-performance-valve-seals-11-32-ptfe-500-guide-1","title":"Allstar Performance Valve Stem Seals 11\/32 PTFE .500 Guide — High-Performance Positive Stop Set","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engineered Valve Stem Seals\u003c\/h2\u003e\u003cp\u003eEnsure your engine maintains peak efficiency with Allstar Performance 11\/32 PTFE Valve Stem Seals. Designed for high-performance racing applications, these positive stop seals provide superior oil control and durability under extreme heat and pressure. By preventing excess oil from entering the combustion chamber, these seals help reduce oil consumption and prevent carbon buildup on valve stems, ensuring consistent performance lap after lap.\u003c\/p\u003e\u003ch3\u003eKey Specifications and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade PTFE for maximum heat resistance and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed for 11\/32 inch valve stems with a .500 inch guide diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive stop construction ensures a secure fit and reliable sealing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Bulk set of 100 seals, perfect for engine builders and professional race teams.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ideal for custom cylinder head builds and valvetrain upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are rebuilding a competition engine or performing routine maintenance on a high-revving motor, these PTFE seals offer the reliability you demand. The .500 inch guide OD provides a precise fitment that minimizes friction while maintaining a tight seal against the valve stem. These seals are essential for maintaining proper valvetrain geometry and preventing oil starvation or leakage issues that can compromise engine longevity. Trust your valvetrain components to the experts at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Valve Stem Seals 11\/32 PTFE .500 Guide \\u2014 High-Performance Positive Stop Set\",\"description\":\"Upgrade your engine valvetrain with Allstar Performance 11\/32 PTFE valve stem seals. Durable .500 guide positive stop design. Shop the 100-pack at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90241-100\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"169.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide-1\",\"sku\":\"DNLF_ALL90241-100\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Valve Stem Seals 11\/32 PTFE .500 Guide \\u2014 High-Performance Positive Stop Set\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-11-32-ptfe-500-guide-1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Valve Stem Seals 11\/32 PTFE .500 Guide \\u2014 High-Performance Po fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Valve Stem Seals 11\/32 PTFE .500 Guide \\u2014 High-Performance Po?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351384498260,"sku":"DNLF_ALL90241-100","price":169.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90241-100.jpg?v=1719185551"},{"product_id":"allstar-performance-valve-seals-3-8-ptfe-531-guide","title":"Allstar Performance Valve Stem Seals 3\/8 PTFE .531 Guide — Performance Positive Stop Set","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eReliable Valve Stem Sealing for High-Performance Engines\u003c\/h2\u003e\u003cp\u003eThe Allstar Performance 3\/8 PTFE Valve Stem Seals are engineered to provide exceptional sealing performance for demanding racing environments. Featuring a positive stop design, these seals effectively manage oil flow around the valve stem, reducing the risk of oil burning and maintaining optimal combustion chamber conditions. Constructed from durable PTFE material, they are designed to withstand the high temperatures and aggressive cam profiles found in modern performance engines.\u003c\/p\u003e\u003ch3\u003eAdvanced Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Advanced PTFE compound for superior thermal stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits 3\/8 inch valve stems with a .531 inch guide diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive stop configuration for consistent, leak-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Convenient set of 16 seals, ideal for standard V8 engine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Engineered to resist wear and hardening over extended service intervals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper valve stem sealing is critical for maintaining engine vacuum and preventing oil contamination. These Allstar Performance seals offer a direct-fit solution for builders looking to upgrade their valvetrain hardware. The .531 inch guide diameter ensures a snug, secure installation, preventing the seal from moving under high-RPM conditions. By upgrading to these high-quality PTFE seals, you protect your investment and ensure your engine performs at its peak throughout the racing season. Find all your essential engine components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Valve Stem Seals 3\/8 PTFE .531 Guide \\u2014 Performance Positive Stop Set\",\"description\":\"Improve valvetrain reliability with Allstar Performance 3\/8 PTFE valve stem seals. 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Order now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90242\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-3-8-ptfe-531-guide\",\"offers\":{\"@type\":\"Offer\",\"price\":\"30.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-3-8-ptfe-531-guide\",\"sku\":\"DNLF_ALL90242\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Valve Stem Seals 3\/8 PTFE .531 Guide \\u2014 Performance Positive Stop Set\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-3-8-ptfe-531-guide\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Valve Stem Seals 3\/8 PTFE .531 Guide \\u2014 Performance Positive  fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Valve Stem Seals 3\/8 PTFE .531 Guide \\u2014 Performance Positive ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351384727636,"sku":"DNLF_ALL90242","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90242.jpg?v=1719185560"},{"product_id":"allstar-performance-valve-seals-5-16-ptfe-531-guide","title":"Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide — Racing Positive Stop Set","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance 5\/16 Valve Stem Seals\u003c\/h2\u003e\u003cp\u003eMaintain precise oil control in your competition engine with Allstar Performance 5\/16 PTFE Valve Stem Seals. These seals are specifically designed for high-performance applications where heat and RPM are constant factors. The positive stop design ensures that the seal remains firmly in place, providing a consistent barrier against oil leakage into the intake or exhaust ports. Built from high-quality PTFE, these seals offer excellent resistance to chemical degradation and extreme heat.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-performance PTFE construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Designed for 5\/16 inch valve stems and .531 inch guide diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Positive stop design prevents seal migration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 16 seals, perfect for complete cylinder head servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for high-revving street or track engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChoosing the right valve stem seal is a critical step in any engine build. These Allstar Performance seals are engineered to meet the rigorous demands of racing, offering a reliable solution that helps maintain engine power and longevity. The .531 inch guide fitment provides a secure, leak-proof seal that stands up to the pressures of high-lift camshafts and aggressive valve springs. Whether you are performing a top-end refresh or a full engine build, these seals provide the peace of mind that your valvetrain is protected. Get the best parts for your build at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide \\u2014 Racing Positive Stop Set\",\"description\":\"Maximize engine efficiency with Allstar Performance 5\/16 PTFE valve stem seals. 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See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351384957012,"sku":"DNLF_ALL90244","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90244.jpg?v=1719185569"},{"product_id":"allstar-performance-valve-seals-5-16-ptfe-531-guide-1","title":"Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide — Bulk Racing Set","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eProfessional Grade Valve Stem Seals in Bulk\u003c\/h2\u003e\u003cp\u003eFor engine builders and professional race teams, the Allstar Performance 5\/16 PTFE Valve Stem Seals offer the perfect balance of performance and value. This bulk pack of 100 seals ensures you have enough components for multiple engine builds or frequent maintenance cycles. Engineered with a positive stop design, these seals are built to handle the stresses of high-performance racing, providing superior oil control and long-term durability for your valvetrain.\u003c\/p\u003e\u003ch3\u003eWhy Choose Allstar Performance?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk Value:\u003c\/strong\u003e 100-piece set is ideal for professional workshops and frequent racers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PTFE construction offers superior heat and wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fit:\u003c\/strong\u003e Designed for 5\/16 inch valve stems and .531 inch guides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Positive stop design ensures the seal stays in place under high-RPM stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Compatible with a wide range of high-performance cylinder heads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMaintaining a clean combustion chamber is vital for engine longevity and power output. These PTFE seals effectively prevent oil from entering the valve guides, which can otherwise lead to smoke, carbon buildup, and reduced performance. By utilizing high-quality materials and precise engineering, Allstar Performance provides a seal that you can rely on under the most demanding conditions. The .531 inch guide fitment is standard for many performance applications, making these a versatile choice for your engine shop. Ensure your engine is built to last with high-quality components from GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide \\u2014 Bulk Racing Set\",\"description\":\"Stock up on Allstar Performance 5\/16 PTFE valve stem seals. High-durability .531 guide design for professional builders. Shop 100-pack at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Allstar Performance\"},\"mpn\":\"ALL90244-100\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-5-16-ptfe-531-guide-1\",\"offers\":{\"@type\":\"Offer\",\"price\":\"179.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-5-16-ptfe-531-guide-1\",\"sku\":\"DNLF_ALL90244-100\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Allstar Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Allstar+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide \\u2014 Bulk Racing Set\",\"item\":\"https:\/\/ggcracing.com\/products\/allstar-performance-valve-seals-5-16-ptfe-531-guide-1\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide \\u2014 Bulk Racing Set fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Allstar Performance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Allstar Performance Valve Stem Seals 5\/16 PTFE .531 Guide \\u2014 Bulk Racing Set?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Allstar Performance","offers":[{"title":"Default Title","offer_id":41351385219156,"sku":"DNLF_ALL90244-100","price":179.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ALL90244-100.jpg?v=1719185577"},{"product_id":"howards-cams-inc-pc-valve-seal-set-16pk-3-8in-x-531in","title":"Howards Cams PC Valve Stem Seal Set — 3\/8in x .531in 16pk","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Howards Cams Inc\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHowards Cams Inc engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Howards Cams Inc lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/kPcA_2zmG_0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Valve Control with Howards Cams\u003c\/h2\u003e\u003cp\u003eEnsure your engine's valve train operates with maximum efficiency and minimal oil consumption using Howards Cams PC Valve Stem Seals. These positive-stop seals are designed for high-performance applications, providing a reliable seal that prevents oil from entering the combustion chamber. Engineered with durable PTFE material, these seals are built to withstand the extreme temperatures and pressures found in high-output racing engines.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Positive Stop Valve Stem Seal\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 3\/8 inch\u003c\/li\u003e\n\u003cli\u003eGuide Outside Diameter: 0.531 inch\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Performance PTFE\u003c\/li\u003e\n\u003cli\u003eQuantity: Set of 16 seals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper valve stem sealing is crucial for maintaining consistent compression and preventing oil burning, which can lead to power loss and engine damage. Howards Cams is a trusted name in the industry, known for precision engineering and high-quality materials. These seals offer a perfect fit for your 3\/8-inch valve stems and 0.531-inch guides, ensuring a secure installation that holds up under the most demanding conditions. Whether you are building a street-strip machine or a dedicated race engine, these seals are an essential upgrade for any valve train overhaul. Improve your engine's reliability and performance with these premium components. Browse our full selection of engine gaskets and seals for your next build at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Howards Cams Inc products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-camshaft\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams Inc. SBC Hydraulic Flat Tappet Camshaft — Lift 0.508\/0.530, Duration 243\/253,\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hydraulic-cam-sbc-max-oval\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Oval Hydraulic Flat Tappet Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/hydraulic-roller-cam-sbc-max-marine\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Marine Hydraulic Roller Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-hyd-roller-camshaft-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams 110255-10 Hydraulic Roller Camshaft — High Performance SBC 2200-5800 RPM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/solid-cam-sbc-max-oval-w-small-base-circle\" style=\"color:#0066cc;text-decoration:none;\"\u003eHowards Cams SBC Max Oval Solid Flat Tappet Camshaft — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Howards Cams PC Valve Stem Seal Set \\u2014 3\/8in x .531in 16pk\",\"description\":\"Upgrade your valve train with Howards Cams PC Valve Stem Seals. Precision fit for 3\/8in stems. Durable PTFE construction. Shop quality parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Howards Cams Inc\"},\"mpn\":\"93321\",\"url\":\"https:\/\/ggcracing.com\/products\/howards-cams-inc-pc-valve-seal-set-16pk-3-8in-x-531in\",\"offers\":{\"@type\":\"Offer\",\"price\":\"6.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/howards-cams-inc-pc-valve-seal-set-16pk-3-8in-x-531in\",\"sku\":\"BKRV_93321\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Howards Cams Inc\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Howards+Cams+Inc\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Howards Cams PC Valve Stem Seal Set \\u2014 3\/8in x .531in 16pk\",\"item\":\"https:\/\/ggcracing.com\/products\/howards-cams-inc-pc-valve-seal-set-16pk-3-8in-x-531in\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Howards Cams PC Valve Stem Seal Set \\u2014 3\/8in x .531in 16pk fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Howards Cams Inc?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Howards Cams PC Valve Stem Seal Set \\u2014 3\/8in x .531in 16pk?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Howards Cams Inc","offers":[{"title":"Default Title","offer_id":41363904987220,"sku":"BKRV_93321","price":6.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HRC93321.jpg?v=1719524759"},{"product_id":"ferrea-valve-seal-acura-honda-intake-5-5mm","title":"Ferrea 5.5mm Positive Stop Valve Stem Seal — Fits Acura\/Honda Intake","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ferrea\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFerrea engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ferrea lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/YA-edFt6TuU\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance Valve Stem Seals for Acura\/Honda\u003c\/h2\u003e\u003cp\u003eProtect your engine from oil consumption and maintain optimal combustion efficiency with the Ferrea 5.5mm positive stop valve stem seal. Designed specifically for Acura and Honda intake applications, these seals are essential for any valvetrain service or performance build. Made from high-temperature Viton rubber, these seals provide a superior barrier against oil leakage into the combustion chamber, even under extreme operating conditions.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Positive Stop Valve Stem Seal\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 5.5mm\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Temperature Viton Rubber\u003c\/li\u003e\n\u003cli\u003eApplication: Honda\/Acura Intake\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold Individually\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eValve stem seals are a critical, yet often overlooked, component in engine performance. Worn or inferior seals can lead to oil burning, carbon buildup on valves, and reduced engine power. Ferrea's Viton seals are engineered to withstand the harsh environment of the cylinder head, maintaining their flexibility and sealing properties over extended periods. The positive stop design ensures a secure fit, preventing the seal from moving or failing during high-RPM operation. Whether you are performing a routine valve job or a full cylinder head overhaul, using high-quality seals is vital for long-term engine health. Trust your engine's internal sealing to the proven quality of Ferrea components available at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ferrea products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreapontiac-h-p-1-770in-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 5000 Series 1.770in Exhaust Valves — Fits Pontiac V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreasbc-c-6-1-600in-exhaust-valve\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 6000 Series 1.600in Exhaust Valve — Fits Small Block Chevy \u0026amp; Ford\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreasbc-ls1-c-6-1-600in-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 6000 Series 1.600in Exhaust Valves — Fits GM LS-Series Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferrea-sbc-c-p-hs-1-600-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea Competition Plus Exhaust Valves 1.600 in Head 11\/32 Stem — SBC Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferrea-sbc-c-p-1-600-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea Competition Plus 1.600 Exhaust Valves — Small Block Chevy SBC\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ferrea 5.5mm Positive Stop Valve Stem Seal \\u2014 Fits Acura\/Honda Intake\",\"description\":\"Prevent oil consumption with Ferrea 5.5mm positive stop valve stem seals for Acura\/Honda intake valves. High-temp Viton construction. Buy at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ferrea\"},\"mpn\":\"VS1003\",\"url\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seal-acura-honda-intake-5-5mm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"2.26\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seal-acura-honda-intake-5-5mm\",\"sku\":\"BJCG_VS1003\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Intake\",\"item\":\"https:\/\/ggcracing.com\/collections\/intake\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ferrea\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ferrea\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ferrea 5.5mm Positive Stop Valve Stem Seal \\u2014 Fits Acura\/Honda Intake\",\"item\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seal-acura-honda-intake-5-5mm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ferrea 5.5mm Positive Stop Valve Stem Seal \\u2014 Fits Acura\/Honda Intake fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ferrea?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ferrea 5.5mm Positive Stop Valve Stem Seal \\u2014 Fits Acura\/Honda Intake?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cold air intakes typically install in 30-60 minutes with basic hand tools. No tuning required for most plug-and-play kits.\"}}]}\u003c\/script\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":41434531692628,"sku":"BJCG_VS1003","price":2.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/FERVS1003.jpg?v=1721426043"},{"product_id":"ferrea-valve-seat-acura-honda-exhaust-5-5mm","title":"Ferrea Valve Stem Seal 5.5mm Positive Stop — Fits Honda\/Acura Exhaust","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Ferrea\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eFerrea engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Ferrea lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/UbVM-iJv9os\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eFerrea Positive Stop Valve Stem Seals (5.5mm)\u003c\/h2\u003e\u003cp\u003eMaintain optimal engine performance and prevent unwanted oil consumption with the Ferrea 5.5mm Positive Stop Valve Stem Seal (VS1002). Specifically designed for Honda and Acura 4-cylinder exhaust applications, these seals are crafted from high-grade Viton rubber to withstand the extreme temperatures and pressures found in modern high-performance engines.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStem Size:\u003c\/strong\u003e 5.50mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Type:\u003c\/strong\u003e Positive stop for superior oil control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temperature Viton rubber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Honda\/Acura 4-cylinder exhaust valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Prevents oil leakage into the combustion chamber.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe positive stop design ensures a tight, secure fit around the valve guide, effectively wiping excess oil from the valve stem during operation. This is critical for preventing carbon buildup on the valves and maintaining the integrity of your engine's emissions and performance. Viton rubber is chosen for its exceptional resistance to heat and chemical degradation, ensuring that your seals remain flexible and effective over thousands of miles. Whether you are performing a routine valve job or a high-performance cylinder head build, upgrading to Ferrea seals is a smart investment in your engine's longevity. Don't let worn seals compromise your engine's power and efficiency. Find these high-quality seals and other essential components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Ferrea products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreapontiac-h-p-1-770in-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 5000 Series 1.770in Exhaust Valves — Fits Pontiac V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreasbc-c-6-1-600in-exhaust-valve\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 6000 Series 1.600in Exhaust Valve — Fits Small Block Chevy \u0026amp; Ford\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferreasbc-ls1-c-6-1-600in-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea 6000 Series 1.600in Exhaust Valves — Fits GM LS-Series Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferrea-sbc-c-p-hs-1-600-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea Competition Plus Exhaust Valves 1.600 in Head 11\/32 Stem — SBC Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/ferrea-sbc-c-p-1-600-exhaust-valves\" style=\"color:#0066cc;text-decoration:none;\"\u003eFerrea Competition Plus 1.600 Exhaust Valves — Small Block Chevy SBC\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Ferrea Valve Stem Seal 5.5mm Positive Stop \\u2014 Fits Honda\/Acura Exhaust\",\"description\":\"Prevent oil consumption with Ferrea 5.5mm positive stop valve stem seals. Designed for Honda\/Acura exhaust applications. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Ferrea\"},\"mpn\":\"VS1002\",\"url\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seat-acura-honda-exhaust-5-5mm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"2.37\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seat-acura-honda-exhaust-5-5mm\",\"sku\":\"BJCG_VS1002\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ferrea\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Ferrea\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ferrea Valve Stem Seal 5.5mm Positive Stop \\u2014 Fits Honda\/Acura Exhaust\",\"item\":\"https:\/\/ggcracing.com\/products\/ferrea-valve-seat-acura-honda-exhaust-5-5mm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Ferrea Valve Stem Seal 5.5mm Positive Stop \\u2014 Fits Honda\/Acura Exhaust fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Ferrea?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Ferrea Valve Stem Seal 5.5mm Positive Stop \\u2014 Fits Honda\/Acura Exhaust?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":41434533691476,"sku":"BJCG_VS1002","price":2.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/FERVS1002.jpg?v=1721426130"},{"product_id":"brodix-11-32-valve-stem-seal-485-guide-diameter-1pk","title":"Brodix 11\/32 Valve Stem Seal .485 Guide Diameter — Viton Positive Stop","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Brodix\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eBrodix engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Brodix lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePremium Viton Valve Stem Seals for Engine Longevity\u003c\/h2\u003e\u003cp\u003eMaintain peak engine performance and prevent oil consumption with these high-quality Brodix valve stem seals. Designed for 11\/32\" valve stems and a .485\" guide diameter, these positive stop seals are essential for any high-performance cylinder head build. Constructed from premium Viton material, these seals offer superior heat resistance and durability compared to standard rubber alternatives.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Positive Stop Seal\u003c\/li\u003e\n\u003cli\u003eValve Stem Size: 11\/32\"\u003c\/li\u003e\n\u003cli\u003eGuide Diameter: .485\"\u003c\/li\u003e\n\u003cli\u003eMaterial: Viton\u003c\/li\u003e\n\u003cli\u003eApplication: High-performance cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProper valve stem sealing is critical for preventing oil from entering the combustion chamber, which can lead to carbon buildup and reduced power. These Viton seals are engineered to maintain their integrity under the extreme temperatures and pressures found in high-performance engines. Whether you are performing a routine valve job or a complete performance overhaul, using the correct seals is vital for engine health. Trust in the quality of Brodix components to keep your engine running smoothly and efficiently. Find all your essential engine sealing components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Brodix products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-227cc-track-1-kc-cnc-ported-heads-2-08-1-60\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix Track 1 KC CNC Ported Aluminum Cylinder Heads — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-180cc-ik180-heads-64cc-s-p-assembled\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix IK180 Aluminum Cylinder Heads 180cc 64cc Assembled — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-180cc-ik-180-heads-64cc-s-p-assembled\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix SBC 180cc IK 180 Assembled Cylinder Heads — Small Block Chevy (1.470 Springs)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/br-ls-compatible-series-cylinder-heads-12deg-b\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix BR7 LS Compatible Cylinder Heads 262cc 71cc Bare — Fits GM LS-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-225cc-d-s-heads-68cc-2-08-1-60-bare\" style=\"color:#0066cc;text-decoration:none;\"\u003eBrodix Dragon Slayer Cylinder Heads 225cc 68cc Bare — Fits Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Brodix 11\/32 Valve Stem Seal .485 Guide Diameter \\u2014 Viton Positive Stop\",\"description\":\"Ensure optimal oil control with Brodix 11\/32 Viton valve stem seals. Designed for .485 guide diameters. Shop high-quality seals at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Brodix\"},\"mpn\":\"USVS485V\",\"url\":\"https:\/\/ggcracing.com\/products\/brodix-11-32-valve-stem-seal-485-guide-diameter-1pk\",\"offers\":{\"@type\":\"Offer\",\"price\":\"1.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/brodix-11-32-valve-stem-seal-485-guide-diameter-1pk\",\"sku\":\"BJBD_US VS485V\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Brodix\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Brodix\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Brodix 11\/32 Valve Stem Seal .485 Guide Diameter \\u2014 Viton Positive Stop\",\"item\":\"https:\/\/ggcracing.com\/products\/brodix-11-32-valve-stem-seal-485-guide-diameter-1pk\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Brodix 11\/32 Valve Stem Seal .485 Guide Diameter \\u2014 Viton Positive Stop fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Brodix?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Brodix 11\/32 Valve Stem Seal .485 Guide Diameter \\u2014 Viton Positive Stop?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"Brodix","offers":[{"title":"Default Title","offer_id":41435092058196,"sku":"BJBD_US VS485V","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/BROUSVS485V.jpg?v=1721438822"},{"product_id":"valve-seals-3-8-ptfe-531-guide","title":"Allstar Performance PTFE Valve Seals — .531 Guide OD, Set of 100","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Allstar Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eAllstar Performance is America's leading circle-track racing parts manufacturer. From aluminum panels and chassis components to brake hardware, steering boxes, and oval-track shock packages — every Allstar product is born from sprint car and modified racing experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/O6hSGNRXPoI\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eAllstar Performance PTFE Valve Seals\u003c\/h2\u003e\n\u003cp\u003eEnsure superior engine sealing and performance with the Allstar Performance PTFE Valve Seals. These high-quality valve stem seals are crafted from durable PTFE (Polytetrafluoroethylene), known for its exceptional resistance to heat, chemicals, and friction. Designed with a positive stop feature, they provide a secure fit and prevent over-compression, ensuring longevity and consistent performance. This set includes 100 seals, making it ideal for rebuilding or refreshing multiple engines or for applications requiring a comprehensive set.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium PTFE for excellent durability and chemical resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Positive stop feature prevents over-compression and ensures proper installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Suitable for 3\/8 inch valve stems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide Compatibility:\u003c\/strong\u003e Designed for valve guides with an outside diameter of 0.531 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Comes as a set of 100 seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for performance engines, racing applications, and engine rebuilds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese valve seals play a crucial role in preventing oil from entering the combustion chamber, which helps reduce oil consumption, minimize exhaust smoke, and maintain optimal engine performance. The PTFE material offers a low coefficient of friction, reducing wear on valve stems and guides. Proper installation and the use of high-quality seals like these are essential for maintaining engine health and power output.\u003c\/p\u003e\n\u003cp\u003eFor reliable engine sealing solutions and performance parts, look no further than GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Allstar Performance products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/asphalt-tire-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Asphalt Tire Setup Log Book — 50 Sheet Pad\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/circle-track-set-up-book\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Circle Track Set-Up Book - Chassis Setup Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-8pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 8 Pack Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-log-decals-40pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance Tire Log Decals — 40 Pack Bulk Information Stickers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/tire-spoon-24in-straight-w-round-end\" style=\"color:#0066cc;text-decoration:none;\"\u003eAllstar Performance 24in Straight Tire Spoon w\/ Round End — Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Allstar Performance PTFE Valve Seals \\u2014 .531 Guide OD, Set of 100\",\"description\":\"Protect your engine with Allstar Performance PTFE Valve Seals. Designed for .531\\\" guides and 3\/8\\\" stems. Set of 100. 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