{"title":"Cylinder Head Washers","description":null,"products":[{"product_id":"insert-washers-1-4-id-10","title":"Auto Racing Products Chromoly Head Bolt Insert Washers - 1\/4\" ID, Black Oxide (10-Pack)","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Chromoly Head Bolt Insert Washers by Auto Racing Products\u003c\/h2\u003e\u003cp\u003eAchieve optimal clamping force and prevent cylinder head distortion with this 10-pack of Auto Racing Products 1\/4\" ID chromoly head bolt insert washers. Specifically designed for critical engine applications, these washers ensure consistent torque readings and superior load distribution, vital for high-performance engine builds.\u003c\/p\u003e\u003ch3\u003eEngineered for Extreme Engine Demands\u003c\/h3\u003e\u003cp\u003eThese specialized head bolt washers are crafted from premium chromoly steel, providing exceptional strength and resilience under the intense heat and pressure of an operating engine. The unique insert design ensures proper alignment and seating of your head bolts, while the black oxide finish offers robust corrosion resistance, protecting against the harsh engine environment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInner Diameter:\u003c\/b\u003e 0.25 inches (1\/4\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOuter Diameter:\u003c\/b\u003e 0.562 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInsert Outer Diameter:\u003c\/b\u003e 0.318 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Strength Chromoly Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Cylinder Head Bolts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Set of 10 Washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of a Strong Engine: ARP Head Washers\u003c\/h3\u003e\u003cp\u003eAuto Racing Products head bolt washers are an indispensable component for any serious engine builder. They are engineered to provide the precise support needed to maintain consistent cylinder head clamping, preventing gasket leaks and ensuring reliable engine operation. Trust ARP for the critical details that make a difference in engine longevity and performance.\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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products Chromoly Head Bolt Insert Washers - 1\/4\\\" ID, Black Oxide (10-Pack)\",\"description\":\"Optimize engine builds with Auto Racing Products 1\/4\\\" ID chromoly head bolt insert washers. Black oxide finish, 10-pack. Shop for superior clamping!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8570\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-4-id-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"45.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-4-id-10\",\"sku\":\"BQDN_200-8570\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products Chromoly Head Bolt Insert Washers - 1\/4\\\" ID, Black Oxide (10-Pack)\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-4-id-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products Chromoly Head Bolt Insert Washers - 1\/4\\\" ID, Black Oxide (1 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 Auto Racing Products?\",\"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 Auto Racing Products Chromoly Head Bolt Insert Washers - 1\/4\\\" ID, Black Oxide (1?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":40868688461908,"sku":"BQDN_200-8570","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8570.jpg?v=1714300923"},{"product_id":"insert-washers-3-8-id-10","title":"Auto Racing Products 3\/8 ID Insert Washer OD - Cylinder Head Bolt Fasteners","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\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\/soqkxpSHIm4\" 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\u003eProfessional-Grade Cylinder Head Insert Washers\u003c\/h2\u003e\u003cp\u003eAchieve precise alignment and superior clamping force with Auto Racing Products 3\/8 ID insert washers. These specialized washers are designed specifically for cylinder head applications, featuring an insert diameter that ensures your head bolts are perfectly centered. By eliminating bolt movement, these washers help maintain consistent head gasket sealing under high-boost or high-compression conditions.\u003c\/p\u003e\u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 0.375 inches\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 0.750 inches\u003c\/li\u003e\n\u003cli\u003eInsert Outer Diameter: 0.443 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-Treated Chromoly\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003eApplication: Cylinder Head Bolts\u003c\/li\u003e\n\u003cli\u003eQuantity: 10-Pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConstructed from heavy-duty chromoly steel, these washers are built to handle the extreme torque requirements of high-performance racing engines. The black oxide finish provides excellent wear resistance and protection against the harsh environment of the engine block. Using the correct insert washers is vital for preventing bolt head damage and ensuring the longevity of your cylinder head assembly. Don't leave your engine's performance to chance—invest in the best hardware available for your build. Trust the experts at GGCRACING for all your specialized racing fastener requirements.\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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products 3\/8 ID Insert Washer .750 OD \\u2014 Cylinder Head Bolt Fasteners\",\"description\":\"Ensure perfect head bolt alignment with Auto Racing Products 3\/8 ID insert washers. High-strength chromoly for racing engines. Order at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8572\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-3-8-id-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"42.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-3-8-id-10\",\"sku\":\"BQDN_200-8572\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products 3\/8 ID Insert Washer .750 OD \\u2014 Cylinder Head Bolt Fasteners\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-washers-3-8-id-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products 3\/8 ID Insert Washer .750 OD \\u2014 Cylinder Head Bolt Fasteners 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 Auto Racing Products?\",\"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 Auto Racing Products 3\/8 ID Insert Washer .750 OD \\u2014 Cylinder Head Bolt Fasteners?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":40868688494676,"sku":"BQDN_200-8572","price":42.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8572.jpg?v=1714300931"},{"product_id":"insert-washers-7-16-id-10","title":"Auto Racing Products Chromoly Black Oxide Insert Washers - 7\/16\" ID Head Bolt (Set of 10)","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eAchieve Uncompromising Engine Reliability with Heavy-Duty Insert Washers\u003c\/h3\u003e\u003cp\u003eElevate your engine's performance and durability with Auto Racing Products Chromoly Black Oxide Insert Washers, specifically engineered for cylinder head bolts. These heavy-duty washers are a critical upgrade, ensuring consistent clamping load and preventing fastener issues that can compromise engine integrity. In high-performance and competition environments, maintaining a perfect seal and preventing head gasket failure is paramount, and these washers are designed to deliver precisely that.\u003c\/p\u003e\u003ch3\u003ePrecision Engineering for Extreme Conditions\u003c\/h3\u003e\u003cp\u003eCrafted from high-grade chromoly steel, these insert washers offer unparalleled tensile strength and resistance to deformation, even under the most extreme engine conditions. This superior material choice ensures that your cylinder head bolts remain securely torqued, resisting the forces of thermal cycling and high combustion pressures. The washers are meticulously finished with a robust black oxide coating, providing a formidable shield against rust, corrosion, and chemical attack, ensuring long-term reliability and performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade Chromoly Steel for maximum strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Durable Black Oxide for superior corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter (ID):\u003c\/strong\u003e Precision 0.438 inches (7\/16\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter (OD):\u003c\/strong\u003e Robust 0.812 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Outer Diameter:\u003c\/strong\u003e Secure 0.571 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Critical head bolt washer for cylinder head assemblies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Convenient set of 10 washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Ultimate Foundation for Your Performance Engine\u003c\/h3\u003e\u003cp\u003eInvesting in top-tier engine fasteners is a non-negotiable for any serious build. These Auto Racing Products insert washers are crucial for distributing the clamping force of your head bolts evenly across the cylinder head, mitigating stress points and ensuring the longevity of your head gasket. Their precision-machined design ensures a perfect, non-slip fit, contributing to more accurate torque readings and a more secure assembly. Trust GGCRACING to provide the foundational components that empower your engine to perform at its peak, offering peace of mind and extended component life.\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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products Chromoly Black Oxide Insert Washers - 7\/16\\\" ID Head Bolt (Set of 10)\",\"description\":\"Upgrade your engine with Auto Racing Products Chromoly Black Oxide Insert Washers. 7\/16\\\" ID, 0.812\\\" OD, set of 10 for head bolts.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8573\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"46.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-10\",\"sku\":\"BQDN_200-8573\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products Chromoly Black Oxide Insert Washers - 7\/16\\\" ID Head Bolt (Set of 10)\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products Chromoly Black Oxide Insert Washers - 7\/16\\\" ID Head Bolt (S 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 Auto Racing Products?\",\"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 Auto Racing Products Chromoly Black Oxide Insert Washers - 7\/16\\\" ID Head Bolt (S?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":40868688527444,"sku":"BQDN_200-8573","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8573.jpg?v=1714300940"},{"product_id":"insert-washers-1-2-id-10","title":"Auto Racing Products 1\/2 ID Insert Washer OD - Cylinder Head Bolt Fasteners","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance Cylinder Head Insert Washers\u003c\/h2\u003e\u003cp\u003eMaximize the reliability of your engine build with Auto Racing Products 1\/2 ID insert washers. Engineered for high-performance cylinder head applications, these washers feature a precision-machined insert that centers the head bolt, ensuring uniform clamping force across the entire head surface. This design is crucial for preventing head gasket failure in high-output engines.\u003c\/p\u003e\u003ch3\u003eKey Technical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 0.500 inches\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 0.875 inches\u003c\/li\u003e\n\u003cli\u003eInsert Outer Diameter: 0.567 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Strength Chromoly Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide\u003c\/li\u003e\n\u003cli\u003eApplication: Cylinder Head Bolts\u003c\/li\u003e\n\u003cli\u003eQuantity: 10-Pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese washers are manufactured from premium chromoly steel and heat-treated to withstand the extreme pressures and temperatures of competitive racing. The black oxide finish ensures long-lasting durability and resistance to corrosion. By using these specialized insert washers, you ensure that your head bolts are properly seated and that your engine maintains its structural integrity under the most demanding conditions. Whether you are building a street-strip machine or a full-blown race engine, these washers provide the peace of mind that comes with using professional-grade components. Enhance your engine's performance and longevity with precision hardware 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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products 1\/2 ID Insert Washer .875 OD \\u2014 Cylinder Head Bolt Fasteners\",\"description\":\"Secure your cylinder head with Auto Racing Products 1\/2 ID insert washers. High-strength chromoly steel for racing. Buy now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8574\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-2-id-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"45.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-2-id-10\",\"sku\":\"BQDN_200-8574\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products 1\/2 ID Insert Washer .875 OD \\u2014 Cylinder Head Bolt Fasteners\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-washers-1-2-id-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products 1\/2 ID Insert Washer .875 OD \\u2014 Cylinder Head Bolt Fasteners 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 Auto Racing Products?\",\"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 Auto Racing Products 1\/2 ID Insert Washer .875 OD \\u2014 Cylinder Head Bolt Fasteners?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":40868688560212,"sku":"BQDN_200-8574","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8574.jpg?v=1714300948"},{"product_id":"insert-washers-7-16-id-x-875-od-10","title":"Auto Racing Products Cylinder Head Insert Washers 7\/16 ID x .875 OD — Set of 10","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engine Fasteners for Maximum Reliability\u003c\/h2\u003e\u003cp\u003eEnsure your engine build maintains consistent clamping force with Auto Racing Products (ARP) cylinder head insert washers. Designed for high-performance applications, these 7\/16 ID x .875 OD washers are essential for protecting cylinder head surfaces and ensuring accurate torque readings during assembly. Whether you are building a street machine or a dedicated track car, these washers provide the stability required under extreme thermal stress.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-Strength Chromoly Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Corrosion-Resistant Black Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.438 in ID, 0.875 in OD, 0.529 in Insert OD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Performance Cylinder Head Assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese washers are manufactured to exacting tolerances, preventing the galling or sinking often seen with inferior hardware. By distributing load effectively, they help maintain the integrity of your head gasket seal, preventing leaks and compression loss. The chromoly construction offers superior fatigue resistance compared to standard steel alternatives, making them a staple for any serious engine builder. Trust in the quality of ARP components to keep your valvetrain and cylinder head secure under high-RPM conditions. Find all your essential engine hardware and performance upgrades 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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products Cylinder Head Insert Washers 7\/16 ID x .875 OD \\u2014 Set of 10\",\"description\":\"Upgrade your engine build with Auto Racing Products cylinder head insert washers. Precision-engineered for durability. Shop high-performance fasteners at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8598\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-x-875-od-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"49.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-x-875-od-10\",\"sku\":\"BQDN_200-8598\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products Cylinder Head Insert Washers 7\/16 ID x .875 OD \\u2014 Set of 10\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-washers-7-16-id-x-875-od-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products Cylinder Head Insert Washers 7\/16 ID x .875 OD \\u2014 Set of 10 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 Auto Racing Products?\",\"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 Auto Racing Products Cylinder Head Insert Washers 7\/16 ID x .875 OD \\u2014 Set of 10?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":40868688822356,"sku":"BQDN_200-8598","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8598.jpg?v=1714301013"},{"product_id":"9-16in-stepped-head-bolt-washers-20","title":"B \u0026 B Performance 9\/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) — For Aluminum Heads","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 B \u0026amp; B Performance\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eB \u0026amp; B Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full B \u0026amp; B Performance lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEnhance Head Gasket Sealing with B\u0026amp;B Performance 9\/16in Stepped Head Bolt Washers\u003c\/h2\u003e\u003cp\u003eAchieve superior clamping force and protect your valuable aluminum cylinder heads with the B\u0026amp;B Performance 9\/16in Stepped Head Bolt Washers. These specialized washers are meticulously engineered to provide optimal load distribution beneath your head bolts, crucial for maintaining consistent torque and preventing head gasket failure, especially in high-performance engine builds. Crafted from robust chromoly steel and finished with a durable black oxide coating, they offer exceptional strength and corrosion resistance.\u003c\/p\u003e\u003ch3\u003ePrecision Design for Aluminum Cylinder Heads\u003c\/h3\u003e\u003cp\u003eThe unique stepped design of these washers is specifically tailored to accommodate the geometry of many aluminum cylinder heads, ensuring proper seating and preventing damage to the head surface during torquing. With a precise 0.563-inch inner diameter (9\/16in) and a 0.995-inch outer diameter, coupled with a 0.685-inch insert OD, these washers provide the exact fitment required for critical engine assemblies. The chromoly construction guarantees they can withstand extreme pressures and temperatures without deformation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Specifically for Head Bolts on Aluminum Cylinder Heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInner Diameter:\u003c\/b\u003e 0.563 inches (9\/16 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOuter Diameter:\u003c\/b\u003e 0.995 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInsert Outer Diameter:\u003c\/b\u003e 0.685 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThickness:\u003c\/b\u003e 0.195 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e High-Strength Chromoly Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Black Oxide for Durability and Corrosion Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Set of 20 Washers\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBenefit:\u003c\/b\u003e Prevents Head Damage, Improves Clamping Force\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUncompromising Quality for Engine Builders\u003c\/h3\u003e\u003cp\u003eB\u0026amp;B Performance stepped head bolt washers are an indispensable component for any serious engine builder looking to maximize reliability and performance. By providing a stable and consistent clamping surface, they contribute directly to the longevity of your head gaskets and the overall integrity of your engine. Invest in the best to protect your investment. Find premium 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 B \u0026amp; B 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\/h-t-special-washers-1-4in-540in-od-100\" style=\"color:#0066cc;text-decoration:none;\"\u003eB \u0026amp; B Performance H\/T Flat Washers 1\/4in x .540in OD — Universal Engine Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/h-t-special-washers-5-16in-590in-od-100\" style=\"color:#0066cc;text-decoration:none;\"\u003eB \u0026amp; B Performance 26190 H\/T Special Washers — 5\/16in ID, .590in OD (100 Pack)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/h-t-special-washers-3-8in-625in-od-100\" style=\"color:#0066cc;text-decoration:none;\"\u003eB \u0026amp; B Performance H\/T Flat Washers 3\/8in x .625in OD — Universal Engine Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/distributor-clamp-chevy-v8-gold\" style=\"color:#0066cc;text-decoration:none;\"\u003eB \u0026amp; B Performance Distributor Clamp — Chevy V8 Stud Mounted Hold Down\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/piston-ring-squaring-tool-4-000-4-230\" style=\"color:#0066cc;text-decoration:none;\"\u003eB \u0026amp; B Performance Piston Ring Squaring Tool 4.000 - 4.230 Bore — Engine Tool\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\":\"B \u0026 B Performance 9\/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) \\u2014 For Aluminum Heads\",\"description\":\"Protect aluminum cylinder heads with B\u0026B Performance 9\/16in stepped head bolt washers. Chromoly, black oxide finish, set of 20 for superior clamping.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"B \u0026 B Performance\"},\"mpn\":\"30440\",\"url\":\"https:\/\/ggcracing.com\/products\/9-16in-stepped-head-bolt-washers-20\",\"offers\":{\"@type\":\"Offer\",\"price\":\"93.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/9-16in-stepped-head-bolt-washers-20\",\"sku\":\"GBSC_30440\"}}\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\":\"B \u0026 B Performance\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=B+\u0026+B+Performance\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"B \u0026 B Performance 9\/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) \\u2014 For Aluminum Heads\",\"item\":\"https:\/\/ggcracing.com\/products\/9-16in-stepped-head-bolt-washers-20\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the B \u0026 B Performance 9\/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) \\u2014 F 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 B \u0026 B 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 B \u0026 B Performance 9\/16in Stepped Head Bolt Washers Chromoly Black Oxide (20) \\u2014 F?\",\"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":"B \u0026 B Performance","offers":[{"title":"Default Title","offer_id":40888413519956,"sku":"GBSC_30440","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/BBP30440.jpg?v=1714704074"},{"product_id":"auto-racing-products-insert-washers-5-16-id-10","title":"Auto Racing Products Head Bolt Insert Washers 5\/16in ID — Universal Racing Fasteners","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 Auto Racing Products\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.\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\/PEz9yBnGN-U\" 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-Strength Head Bolt Insert Washers\u003c\/h2\u003e\u003cp\u003eEnsure precise clamping force with these Auto Racing Products head bolt insert washers. Designed for demanding racing applications, these washers provide the necessary load distribution for your cylinder head bolts, preventing damage to the head surface and ensuring a consistent torque reading during engine assembly.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter (ID): 0.313 inches (5\/16\")\u003c\/li\u003e\n\u003cli\u003eOuter Diameter (OD): 0.625 inches\u003c\/li\u003e\n\u003cli\u003eInsert OD: 0.380 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength Chromoly\u003c\/li\u003e\n\u003cli\u003eFinish: Black Oxide for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eQuantity: Set of 10\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese washers are manufactured from premium chromoly steel, offering superior structural integrity compared to standard hardware. The black oxide finish provides a durable barrier against the harsh environment of an engine bay. Whether you are building a high-compression naturally aspirated engine or a forced-induction powerhouse, using the correct hardware is critical to engine longevity. The insert design helps center the bolt and protect the cylinder head from galling during the tightening process. At GGCRACING, we prioritize high-quality fasteners to ensure your engine build meets professional standards every time you hit the track.\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 Auto Racing Products 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\/aluminum-blower-stud-kit-7-16-x-2-880-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Aluminum Blower Stud Kit 7\/16 x 2.880 — Supercharger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/aluminum-blower-stud-kit-7-16-x-2-500-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Blower Stud Kit 7\/16 x 2.500 Aluminum — SSI Supercharger Fasteners\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/7-16-12pt-stud-kit-bellhousing-to-trans\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Bellhousing Stud Kit 7\/16-14 x 2.75 Chromoly — Transmission Fitment\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-12\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit - 3\/8\" x .750\" UHL Hex Head (Set of 12) - Fi\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/header-bolt-kit-6pt-3-8-x-750-uhl-16\" style=\"color:#0066cc;text-decoration:none;\"\u003eAuto Racing Products Chromoly Header Bolt Kit 3\/8\"-16 x 0.75\" — Hex Head for Big Block Che\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\":\"Auto Racing Products Head Bolt Insert Washers 5\/16in ID \\u2014 Universal Racing Fasteners\",\"description\":\"Secure your engine with Auto Racing Products 5\/16in ID head bolt insert washers. High-strength chromoly construction for reliable performance. Shop now.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Auto Racing Products\"},\"mpn\":\"200-8571\",\"url\":\"https:\/\/ggcracing.com\/products\/auto-racing-products-insert-washers-5-16-id-10\",\"offers\":{\"@type\":\"Offer\",\"price\":\"45.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/auto-racing-products-insert-washers-5-16-id-10\",\"sku\":\"BQDN_200-8571\"}}\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\":\"Auto Racing Products\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Auto+Racing+Products\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Auto Racing Products Head Bolt Insert Washers 5\/16in ID \\u2014 Universal Racing Fasteners\",\"item\":\"https:\/\/ggcracing.com\/products\/auto-racing-products-insert-washers-5-16-id-10\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Auto Racing Products Head Bolt Insert Washers 5\/16in ID \\u2014 Universal Racing Faste 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 Auto Racing Products?\",\"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 Auto Racing Products Head Bolt Insert Washers 5\/16in ID \\u2014 Universal Racing Faste?\",\"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":"Auto Racing Products","offers":[{"title":"Default Title","offer_id":41442785525844,"sku":"BQDN_200-8571","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARP200-8571.jpg?v=1721519559"},{"product_id":"pioneer-head-bolt-washers-7-16-34","title":"Pioneer Head Bolt Washers - 7\/16 (34)","description":"Head Bolt Washer - 0.750 in OD - 0.438 in ID - 0.063 in Thick - Steel - Black Oxide - Head Bolts - Universal - Set of 34\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Pioneer","offers":[{"title":"Default Title","offer_id":42700474351700,"sku":"DTJQ_S-1018","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/PIOS-1018.jpg?v=1763974779"}],"url":"https:\/\/ggcracing.com\/en-co\/collections\/cylinder-head-washers\/closeout.oembed","provider":"GGCRACING INC","version":"1.0","type":"link"}