{"title":"Rocker Arm Shafts","description":null,"products":[{"product_id":"t-d-machinerocker-shaft-625-x-4-090-oal","title":"T\u0026D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Strength Rocker Shafts for Precision\u003c\/h2\u003e\u003cp\u003eMaintain perfect valvetrain geometry with the T\u0026amp;D Machine Rocker Shaft. Designed for demanding racing environments, this shaft provides the necessary support for your rocker arms to operate smoothly under high spring pressures and extreme engine speeds. With an outside diameter of .625 inches and an overall length of 4.090 inches, this shaft is built to exact tolerances to ensure a perfect fit with your existing T\u0026amp;D rocker system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutside Diameter: .625 inches\u003c\/li\u003e\n\u003cli\u003eOverall Length (OAL): 4.090 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-grade steel for maximum durability\u003c\/li\u003e\n\u003cli\u003eCompatibility: Specifically for T\u0026amp;D Machine Rocker Arms\u003c\/li\u003e\n\u003cli\u003ePrecision: Engineered for tight tolerances and reduced friction\u003c\/li\u003e\n\u003cli\u003eApplication: High-performance and racing engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn a high-performance engine, every component plays a vital role in power delivery and reliability. A worn or deflected rocker shaft can lead to inconsistent valve timing and potential engine failure. By replacing your shafts with genuine T\u0026amp;D Machine components, you ensure that your valvetrain remains stable and responsive. These shafts are manufactured from high-strength steel to resist bending and wear, even under the most punishing conditions. Whether you are maintaining your current setup or performing a complete engine rebuild, rely on the precision of T\u0026amp;D Machine to keep your engine performing at its best. Find all the essential valvetrain components you need 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft Steel — Fits Chrysler BBM 440 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\":\"T\u0026D Machine Rocker Shaft .625 x 4.090 OAL \\u2014 High Performance Valvetrain\",\"description\":\"Ensure precise rocker arm movement with the T\u0026D Machine Rocker Shaft. .625 OD x 4.090 OAL. High-performance durability available at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0200\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\",\"offers\":{\"@type\":\"Offer\",\"price\":\"40.50\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\",\"sku\":\"BJJD_0200\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 x 4.090 OAL \\u2014 High Performance Valvetrain\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 x 4.090 OAL \\u2014 High Performance Valvetrain 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 x 4.090 OAL \\u2014 High Performance Valvetrain?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125124505684,"sku":"BJJD_0200","price":40.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0200.jpg?v=1717417733"},{"product_id":"t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l","title":"T\u0026D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engineered T\u0026amp;D Machine Rocker Shafts\u003c\/h2\u003e\u003cp\u003eAchieve peak valvetrain stability with the T\u0026amp;D Machine Rocker Shaft, specifically designed for Brodix Econo rocker arm setups. Measuring .625 inches in outer diameter with a 4.010-inch overall length, this shaft is built to withstand the extreme pressures of high-RPM racing environments.\u003c\/p\u003e\u003ch3\u003eWhy Choose T\u0026amp;D Machine Components?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel Construction:\u003c\/strong\u003e Engineered for maximum durability and resistance to deflection under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machining:\u003c\/strong\u003e Ensures exact fitment for consistent valve timing and reduced friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Geometry:\u003c\/strong\u003e Designed to maintain rocker arm alignment, preventing premature wear on valve tips and guides.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are building a dedicated drag car or a high-output street machine, the integrity of your rocker shaft is paramount to engine longevity. This shaft provides the structural support necessary to keep your valvetrain geometry perfect during aggressive cam profiles and high-lift conditions. Its robust steel composition ensures it handles the thermal expansion and mechanical stress typical of performance Brodix cylinder head applications. Don't compromise on your engine's reliability; choose components that professional engine builders trust for their most critical builds. For all your high-performance valvetrain needs, browse the extensive catalog 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft Steel — Fits Chrysler BBM 440 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\":\"T\u0026D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel \\u2014 Fits Brodix Econo Rocker Arms\",\"description\":\"Upgrade your valvetrain with the T\u0026D Machine .625 x 4.010 rocker shaft. Precision-engineered for Brodix Econo systems. Shop high-performance parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0201\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\",\"offers\":{\"@type\":\"Offer\",\"price\":\"40.50\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\",\"sku\":\"BJJD_0201\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel \\u2014 Fits Brodix Econo Rocker Arms\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel \\u2014 Fits Brodix Econo Rocker Ar 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel \\u2014 Fits Brodix Econo Rocker Ar?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125124997204,"sku":"BJJD_0201","price":40.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0201.jpg?v=1717417742"},{"product_id":"t-d-machinerocker-shaft-625-x-4-320-oal","title":"T\u0026D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine 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\/jS5rF5rXN60\" 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 Valvetrain Performance with T\u0026amp;D Machine\u003c\/h2\u003e\u003cp\u003eThe T\u0026amp;D Machine Rocker Shaft, featuring a .625-inch outer diameter and a 4.320-inch overall length, is an essential component for high-performance engine builders. Designed to provide maximum support for shaft-mount rocker arms, this shaft ensures that your valvetrain remains stable under high-RPM conditions. Its robust steel construction is engineered to resist the stresses of high-lift camshafts and heavy-duty valve springs.\u003c\/p\u003e\u003ch3\u003eKey Advantages of T\u0026amp;D Machine Shafts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dimensions:\u003c\/strong\u003e .625-inch OD and 4.320-inch OAL for an exact fit in compatible systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Material:\u003c\/strong\u003e Manufactured from high-grade steel to ensure long-term durability and resistance to bending.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Focused:\u003c\/strong\u003e Reduces valvetrain deflection, leading to more accurate valve timing and increased power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered Quality:\u003c\/strong\u003e Designed to work in perfect harmony with T\u0026amp;D Machine rocker arm assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn high-output engines, the rocker shaft is subjected to immense forces. Using a high-quality, precision-machined shaft from T\u0026amp;D Machine is the best way to ensure your valvetrain survives the heat and pressure of racing. Whether you are tuning for the track or the street, these shafts provide the consistency and reliability required for a winning build. Don't compromise on your engine's performance—choose the industry-leading quality of T\u0026amp;D Machine. Explore the full range of valvetrain 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft Steel — Fits Chrysler BBM 440 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\":\"T\u0026D Machine Rocker Shaft .625 OD x 4.320 OAL \\u2014 Performance Valvetrain\",\"description\":\"Ensure valvetrain stability with the T\u0026D Machine .625 x 4.320 OAL rocker shaft. High-strength steel for maximum performance. Shop online at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0202\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\",\"offers\":{\"@type\":\"Offer\",\"price\":\"41.62\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\",\"sku\":\"BJJD_0202\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 OD x 4.320 OAL \\u2014 Performance Valvetrain\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 OD x 4.320 OAL \\u2014 Performance Valvetrain 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 OD x 4.320 OAL \\u2014 Performance Valvetrain?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125125455956,"sku":"BJJD_0202","price":41.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0202.jpg?v=1717417750"},{"product_id":"t-d-machinerocker-shaft-625-x-1-980-oal","title":"T\u0026D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHigh-Performance T\u0026amp;D Machine .625 x 1.980 Rocker Shaft\u003c\/h2\u003e\u003cp\u003eWhen building a high-performance engine, every component must be held to the highest standard. The T\u0026amp;D Machine .625 x 1.980 OAL rocker shaft is designed to provide exceptional rigidity and support for your rocker arm assembly. Crafted from premium-grade steel, this shaft is built to handle the rigors of competitive racing while maintaining precise valve actuation.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Steel Composition:\u003c\/strong\u003e Offers superior fatigue resistance compared to standard aftermarket shafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Dimensions:\u003c\/strong\u003e .625-inch OD and 1.980-inch length ensure a perfect fit for compatible T\u0026amp;D rocker systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Valvetrain Consistency:\u003c\/strong\u003e Reduces shaft flex, ensuring your valve lift remains accurate throughout the entire RPM range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis rocker shaft is an essential upgrade for builders looking to eliminate valvetrain instability. By minimizing deflection, you ensure that your camshaft profile is translated accurately to the valve, resulting in better power delivery and reduced wear on your valvetrain components. Its compact design is ideal for custom configurations where space and weight are critical factors. Trust in the engineering excellence of T\u0026amp;D Machine to keep your engine running smoothly under extreme conditions. Whether you are refreshing a race engine or building a new project from the ground up, this shaft offers the reliability you demand. Find all your essential engine components and high-performance hardware 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft Steel — Fits Chrysler BBM 440 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\":\"T\u0026D Machine Rocker Shaft .625 x 1.980 OAL Steel \\u2014 Fits Custom Rocker Arm Assemblies\",\"description\":\"Enhance your engine's valvetrain with the T\u0026D Machine .625 x 1.980 steel rocker shaft. Precision-made for top-tier performance. Order now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0210\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\",\"offers\":{\"@type\":\"Offer\",\"price\":\"32.63\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\",\"sku\":\"BJJD_0210\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 x 1.980 OAL Steel \\u2014 Fits Custom Rocker Arm Assemblies\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 x 1.980 OAL Steel \\u2014 Fits Custom Rocker Arm Assembl 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 x 1.980 OAL Steel \\u2014 Fits Custom Rocker Arm Assembl?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125125881940,"sku":"BJJD_0210","price":32.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0210.jpg?v=1717417758"},{"product_id":"t-d-machinerocker-shaft-bbm-440","title":"T\u0026D Machine Rocker Shaft Steel — Fits Chrysler BBM 440 Rocker Arms","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine 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\/Zi9Eax2BeyE\" 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\u003eT\u0026amp;D Machine Rocker Shaft for Chrysler BBM 440\u003c\/h2\u003e\u003cp\u003eUnlock the full potential of your Chrysler Big Block Mopar (BBM) 440 with the T\u0026amp;D Machine steel rocker shaft. Specifically engineered for the demands of the 440 platform, this shaft provides the necessary support to handle high-lift camshafts and aggressive valve spring pressures. T\u0026amp;D Machine is renowned in the racing industry for producing components that offer unmatched reliability and performance.\u003c\/p\u003e\u003ch3\u003eWhy Upgrade Your 440 Valvetrain?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Material Strength:\u003c\/strong\u003e High-grade steel construction prevents bending and fatigue under heavy load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Fitment:\u003c\/strong\u003e Designed specifically for Chrysler 440 rocker arm systems to ensure seamless installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Stability:\u003c\/strong\u003e Keeps rocker geometry consistent, which is vital for maintaining peak power at high RPMs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Chrysler 440 is a legendary engine, but its valvetrain can become a bottleneck when pushing for higher performance. This T\u0026amp;D Machine rocker shaft addresses those limitations by providing a rigid foundation for your rocker arms. By reducing shaft flex, you ensure that every bit of lift from your camshaft is transferred effectively to the valves. This not only improves engine performance but also extends the life of your entire valvetrain by reducing uneven wear. Whether you are restoring a classic muscle car or building a high-horsepower drag machine, this shaft is an essential component for your valvetrain upgrade. Experience the difference in quality and precision that comes with professional-grade racing parts. Get your engine components delivered fast 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\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\":\"T\u0026D Machine Rocker Shaft Steel \\u2014 Fits Chrysler BBM 440 Rocker Arms\",\"description\":\"Upgrade your Chrysler 440 valvetrain with the T\u0026D Machine steel rocker shaft. Designed for durability and performance. Shop the best parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0269\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\",\"offers\":{\"@type\":\"Offer\",\"price\":\"236.25\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\",\"sku\":\"BJJD_0269\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft Steel \\u2014 Fits Chrysler BBM 440 Rocker Arms\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-bbm-440\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft Steel \\u2014 Fits Chrysler BBM 440 Rocker Arms 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft Steel \\u2014 Fits Chrysler BBM 440 Rocker Arms?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125126275156,"sku":"BJJD_0269","price":236.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0269.jpg?v=1717417767"},{"product_id":"t-d-machineshaft-big-chief-duke-wide-intake-old-style","title":"T\u0026D Machine Rocker Shaft x 3.229 Steel","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine 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\/Zi9Eax2BeyE\" 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\u003eT\u0026amp;D Machine Rocker Shaft for Big Chief and Duke Wide Intake\u003c\/h2\u003e\u003cp\u003eFor engines utilizing Big Chief or Duke wide intake cylinder heads, the T\u0026amp;D Machine .625 x 3.229-inch rocker shaft is the gold standard for valvetrain stability. Engineered to meet the unique spacing and load requirements of these high-performance heads, this shaft ensures that your rocker arms remain perfectly aligned, even under the most demanding racing conditions.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Dimensions:\u003c\/strong\u003e .625-inch OD and 3.229-inch length tailored for specific wide intake configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Steel:\u003c\/strong\u003e Manufactured to resist deflection and maintain integrity under extreme valve spring pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRacing-Grade Reliability:\u003c\/strong\u003e Designed to withstand the heat and stress of high-RPM operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen running high-performance cylinder heads like the Big Chief or Duke, the valvetrain is subjected to immense forces. A standard shaft may flex, leading to inconsistent valve timing and potential engine damage. The T\u0026amp;D Machine shaft provides the rigidity required to keep your valvetrain operating within its design parameters. By maintaining precise rocker geometry, you maximize the efficiency of your camshaft, ensuring that your engine produces consistent power throughout the entire rev range. This component is a must-have for any serious engine builder looking to optimize their valvetrain for competitive racing. With a focus on durability and precision, T\u0026amp;D Machine continues to lead the way in valvetrain technology. For all your high-performance engine needs, trust 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\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\":\"T\u0026D Machine Rocker Shaft .625 x 3.229 Steel \\u2014 Fits Big Chief\/Duke Wide Intake\",\"description\":\"Get the T\u0026D Machine .625 x 3.229 rocker shaft for Big Chief\/Duke wide intake heads. High-strength steel for racing. Shop now at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0280\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-wide-intake-old-style\",\"offers\":{\"@type\":\"Offer\",\"price\":\"40.50\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-wide-intake-old-style\",\"sku\":\"BJJD_0280\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 x 3.229 Steel \\u2014 Fits Big Chief\/Duke Wide Intake\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-wide-intake-old-style\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 x 3.229 Steel \\u2014 Fits Big Chief\/Duke Wide 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 x 3.229 Steel \\u2014 Fits Big Chief\/Duke Wide 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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125126701140,"sku":"BJJD_0280","price":40.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0280.jpg?v=1717417775"},{"product_id":"t-d-machineexhaust-shaft-big-chief-duke-rocker-arm","title":"T\u0026D Machine Exhaust Shaft x 2.179 Steel","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eT\u0026amp;D Machine Exhaust Rocker Shaft for Big Chief\/Duke\u003c\/h2\u003e\u003cp\u003eThe T\u0026amp;D Machine .625 x 2.179-inch exhaust rocker shaft is engineered specifically for Big Chief and Duke cylinder head applications. This shaft provides the critical support needed for the exhaust side of your valvetrain, where heat and pressure are at their peak. Built from high-strength steel, it is designed to maintain rocker arm stability under the most aggressive racing conditions.\u003c\/p\u003e\u003ch3\u003eEngineered for Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fitment:\u003c\/strong\u003e .625-inch OD and 2.179-inch length for exact compatibility with Big Chief\/Duke exhaust rockers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Strength Steel:\u003c\/strong\u003e Resists thermal expansion and mechanical deformation to keep your valvetrain geometry true.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Designed to extend the life of your rocker arms and valve tips.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExhaust valves are subjected to extreme heat, and the rocker shafts supporting them must be equally robust. This T\u0026amp;D Machine shaft is built to handle these conditions without compromising on performance. By preventing shaft deflection, it ensures that your exhaust valves open and close with precise timing, which is essential for optimal scavenging and power production. Whether you are running a drag racing setup or a high-output circuit engine, this shaft provides the peace of mind that your valvetrain is protected. T\u0026amp;D Machine is the industry leader for a reason, and this exhaust shaft is a testament to their commitment to quality and engineering excellence. Ensure your engine performs at its peak by choosing the right components for your build. Find all your performance parts 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\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\":\"T\u0026D Machine Exhaust Shaft .625 x 2.179 Steel \\u2014 Fits Big Chief\/Duke Rocker Arm\",\"description\":\"Upgrade your exhaust valvetrain with the T\u0026D Machine .625 x 2.179 steel shaft. Precision-engineered for Big Chief\/Duke heads. Available at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0283\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineexhaust-shaft-big-chief-duke-rocker-arm\",\"offers\":{\"@type\":\"Offer\",\"price\":\"36.00\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineexhaust-shaft-big-chief-duke-rocker-arm\",\"sku\":\"BJJD_0283\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Exhaust Shaft .625 x 2.179 Steel \\u2014 Fits Big Chief\/Duke Rocker Arm\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machineexhaust-shaft-big-chief-duke-rocker-arm\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Exhaust Shaft .625 x 2.179 Steel \\u2014 Fits Big Chief\/Duke Rocker Arm 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 T\u0026D Machine?\",\"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 T\u0026D Machine Exhaust Shaft .625 x 2.179 Steel \\u2014 Fits Big Chief\/Duke Rocker Arm?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125127225428,"sku":"BJJD_0283","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0283.jpg?v=1717417784"},{"product_id":"t-d-machineshaft-big-chief-duke-heads-narrow-intake","title":"T\u0026D Machine Rocker Arm Shaft 0.625 OD Steel — Big Chief\/Duke Narrow 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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engineered Rocker Arm Shafts for Big Chief and Duke Heads\u003c\/h2\u003e\u003cp\u003eWhen building a high-performance engine, valvetrain stability is critical. The T\u0026amp;D Machine 0.625-inch OD rocker arm shaft is specifically engineered for Big Chief and Duke cylinder heads with narrow intake configurations. Manufactured from high-strength steel, this shaft provides the rigidity required to handle aggressive camshaft profiles and high-RPM operation without deflection.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutside Diameter: 0.625 inches\u003c\/li\u003e\n\u003cli\u003eLength: 2.524 inches\u003c\/li\u003e\n\u003cli\u003eMaterial: High-Grade Steel\u003c\/li\u003e\n\u003cli\u003eApplication: Big Chief\/Duke Narrow Intake Heads\u003c\/li\u003e\n\u003cli\u003eDesign: Precision-machined for exact rocker arm alignment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis shaft is a vital component for maintaining consistent valve lift and timing in competition engines. By reducing flex, you ensure that your rocker arms operate at peak efficiency, preventing premature wear on valve guides and stems. Whether you are refreshing a race engine or performing a custom valvetrain build, T\u0026amp;D Machine components offer the reliability professional engine builders demand. Each shaft is inspected to meet strict tolerances, ensuring a seamless fitment during your assembly process. Don't compromise on your valvetrain geometry; choose components designed for extreme duty. Find all your high-performance valvetrain needs 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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\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\":\"T\u0026D Machine Rocker Arm Shaft 0.625 OD Steel \\u2014 Big Chief\/Duke Narrow Intake\",\"description\":\"Upgrade your valvetrain with the T\u0026D Machine 0.625 inch OD rocker arm shaft for Big Chief and Duke narrow intake heads. Shop high-performance parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"0285\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-heads-narrow-intake\",\"offers\":{\"@type\":\"Offer\",\"price\":\"38.25\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-heads-narrow-intake\",\"sku\":\"BJJD_0285\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Arm Shaft 0.625 OD Steel \\u2014 Big Chief\/Duke Narrow Intake\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machineshaft-big-chief-duke-heads-narrow-intake\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Arm Shaft 0.625 OD Steel \\u2014 Big Chief\/Duke Narrow 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Arm Shaft 0.625 OD Steel \\u2014 Big Chief\/Duke Narrow 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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125127716948,"sku":"BJJD_0285","price":38.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM0285.jpg?v=1717417792"},{"product_id":"t-d-machinerocker-shaft-625-x-4-020-oal","title":"T\u0026D Machine Rocker Shaft .625 x 4.020 OAL Steel — High Performance Valvetrain Component","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 T\u0026amp;D Machine\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eT\u0026amp;D Machine engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full T\u0026amp;D Machine 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\/Zi9Eax2BeyE\" 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 Engineered Rocker Shafts\u003c\/h2\u003e\u003cp\u003eOptimize your engine's valvetrain stability with the T\u0026amp;D Machine Rocker Shaft. Designed for demanding racing applications, this .625-inch outer diameter shaft provides the rigidity required for high-RPM operation. Measuring 4.020 inches in overall length, it is specifically manufactured to integrate seamlessly with T\u0026amp;D Sport Comp rocker arm systems.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDiameter: 0.625 inches (OD)\u003c\/li\u003e\n\u003cli\u003eLength: 4.020 inches (OAL)\u003c\/li\u003e\n\u003cli\u003eMaterial: High-strength hardened steel\u003c\/li\u003e\n\u003cli\u003eCompatibility: T\u0026amp;D Sport Comp Rocker Arms\u003c\/li\u003e\n\u003cli\u003eApplication: Professional racing and high-performance street engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhen building a high-output engine, valvetrain geometry and component integrity are critical. These shafts are heat-treated to resist deflection under extreme spring pressures, ensuring consistent valve lift and timing throughout the entire power band. Whether you are refreshing a drag racing setup or building a custom performance engine, T\u0026amp;D Machine components offer the reliability you need to push your vehicle to the limit. Trust GGCRACING for all your professional-grade valvetrain upgrades.\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 T\u0026amp;D Machine 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\/t-d-machinerocker-stand-sbc-w-40-60-valve-spacing\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Stand SBC — 40\/60 Valve Spacing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-090-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.090 OAL — High Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-brodix-625-x-4-010-a-o-l\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 4.010 A.O.L. Steel — Fits Brodix Econo Rocker Arms\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-320-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 OD x 4.320 OAL — Performance Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-1-980-oal\" style=\"color:#0066cc;text-decoration:none;\"\u003eT\u0026amp;D Machine Rocker Shaft .625 x 1.980 OAL Steel — Fits Custom Rocker Arm Assemblies\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\":\"T\u0026D Machine Rocker Shaft .625 x 4.020 OAL Steel \\u2014 High Performance Valvetrain Component\",\"description\":\"Upgrade your valvetrain with the T\u0026D Machine .625 x 4.020 OAL rocker shaft. Precision-engineered for Sport Comp rocker arms. Shop high-performance parts now!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"T\u0026D Machine\"},\"mpn\":\"10300\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-020-oal\",\"offers\":{\"@type\":\"Offer\",\"price\":\"38.25\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-020-oal\",\"sku\":\"BJJD_10300\"}}\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\":\"T\u0026D Machine\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=T\u0026D+Machine\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"T\u0026D Machine Rocker Shaft .625 x 4.020 OAL Steel \\u2014 High Performance Valvetrain Component\",\"item\":\"https:\/\/ggcracing.com\/products\/t-d-machinerocker-shaft-625-x-4-020-oal\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the T\u0026D Machine Rocker Shaft .625 x 4.020 OAL Steel \\u2014 High Performance Valvetrain Co 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 T\u0026D Machine?\",\"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 T\u0026D Machine Rocker Shaft .625 x 4.020 OAL Steel \\u2014 High Performance Valvetrain Co?\",\"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":"T\u0026D Machine","offers":[{"title":"Default Title","offer_id":41125153931348,"sku":"BJJD_10300","price":38.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/TDM10300.jpg?v=1717418185"},{"product_id":"harland-sharp427-428-ford-rocker-arm-shafts-pair","title":"Harland Sharp 427-428 FE Series Rocker Arm Shafts 0.841 OD","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 Harland Sharp\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHarland Sharp engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Harland Sharp lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePrecision Engineered Rocker Arm Shafts for Ford FE\u003c\/h2\u003e\u003cp\u003eMaximize the valvetrain stability of your Ford FE-series engine with these premium Harland Sharp rocker arm shafts. Designed specifically for enthusiasts who demand reliability under high-stress conditions, these shafts feature a robust 0.841-inch outside diameter, ensuring minimal deflection and consistent valve geometry throughout the entire RPM range.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered for Ford FE:\u003c\/strong\u003e Specifically machined for 427 and 428 FE-series engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Material:\u003c\/strong\u003e High-strength steel construction for maximum wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Geometry:\u003c\/strong\u003e Designed to work seamlessly with Harland Sharp shaft-mount rocker systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fit:\u003c\/strong\u003e 0.841-inch OD ensures a perfect fit for high-performance valvetrain setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are building a street machine or a dedicated track car, the valvetrain is the heart of your engine's performance. These shafts provide the rigid foundation required to prevent rocker arm instability, which can lead to power loss and potential engine damage. By upgrading to these professional-grade shafts, you ensure that your valve lift remains accurate even at high engine speeds. Trust the experts at GGCRACING to provide the high-quality components your build deserves.\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 Harland Sharp 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\/harland-sharpsbc-rocker-arm-1-6-ratio-3-8-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp SBC Rocker Arm 1.6 Ratio 3\/8 Stud Full Roller Aluminum — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpsbc-rocker-arm-1-5-ratio-7-16-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp SBC Rocker Arm 1.5 Ratio 7\/16 Stud Full Roller Aluminum — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpbbc-rocker-arm-1-7-ratio-7-16-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp BBC Rocker Arm 1.7 Ratio 7\/16 Stud — Big Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpbbm-rocker-shaft-5-hole\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp BBM Rocker Shaft 5-Hole Steel — Mopar B\/RB-Series Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpford-rocker-arm-adjusters-4pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp Ford FE Rocker Arm Adjusters 7\/16-20 Thread 4pk — Ford FE-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\":\"Harland Sharp 427-428 FE Series Rocker Arm Shafts 0.841 OD \\u2014 Fits Ford FE V8 Engines\",\"description\":\"Upgrade your Ford FE engine with Harland Sharp 0.841-inch OD rocker arm shafts. 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Shop high-performance parts at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Harland Sharp\"},\"mpn\":\"PR4006S\",\"url\":\"https:\/\/ggcracing.com\/products\/harland-sharp427-428-ford-rocker-arm-shafts-pair\",\"offers\":{\"@type\":\"Offer\",\"price\":\"299.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/harland-sharp427-428-ford-rocker-arm-shafts-pair\",\"sku\":\"BJHM_PR4006S\"}}\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\":\"Harland Sharp\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Harland+Sharp\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Harland Sharp 427-428 FE Series Rocker Arm Shafts 0.841 OD \\u2014 Fits Ford FE V8 Engines\",\"item\":\"https:\/\/ggcracing.com\/products\/harland-sharp427-428-ford-rocker-arm-shafts-pair\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Harland Sharp 427-428 FE Series Rocker Arm Shafts 0.841 OD \\u2014 Fits Ford FE V8 Eng 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 Harland Sharp?\",\"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 Harland Sharp 427-428 FE Series Rocker Arm Shafts 0.841 OD \\u2014 Fits Ford FE V8 Eng?\",\"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":"Harland Sharp","offers":[{"title":"Default Title","offer_id":41125545082964,"sku":"BJHM_PR4006S","price":299.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SHPPR4006S.jpg?v=1717424585"},{"product_id":"harland-sharpbbm-rocker-arm-shafts-pair","title":"Harland Sharp B\/RB Mopar Rocker Arm Shafts","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 Harland Sharp\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eHarland Sharp engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Harland Sharp 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\/HkOOpVVzmpU\" 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 Rocker Arm Shafts for Mopar B\/RB\u003c\/h2\u003e\u003cp\u003eUnlock the full potential of your Mopar Big Block engine with Harland Sharp rocker arm shafts. These shafts are the gold standard for Chrysler B and RB-series engines, providing the structural integrity needed for high-lift camshafts and aggressive valve spring pressures. When building a high-performance Mopar engine, the stability of your rocker assembly is non-negotiable.\u003c\/p\u003e\u003ch3\u003eWhy Choose Harland Sharp Shafts?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fitment:\u003c\/strong\u003e Engineered specifically for Mopar B and RB-series big block engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Steel:\u003c\/strong\u003e Constructed from premium alloys to withstand extreme valvetrain loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Stability:\u003c\/strong\u003e Reduces flex compared to stock components for improved valve timing accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed to integrate perfectly with Harland Sharp shaft-mount rocker systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese shafts are essential for any serious Mopar build, whether you are restoring a classic muscle car or preparing a drag race engine. By minimizing deflection, these shafts ensure that your valve events occur exactly as intended, leading to better power delivery and increased engine longevity. Don't compromise on the integrity of your valvetrain; rely on the proven engineering of Harland Sharp. Find these and other 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 Harland Sharp 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\/harland-sharpsbc-rocker-arm-1-6-ratio-3-8-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp SBC Rocker Arm 1.6 Ratio 3\/8 Stud Full Roller Aluminum — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpsbc-rocker-arm-1-5-ratio-7-16-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp SBC Rocker Arm 1.5 Ratio 7\/16 Stud Full Roller Aluminum — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpbbc-rocker-arm-1-7-ratio-7-16-stud\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp BBC Rocker Arm 1.7 Ratio 7\/16 Stud — Big Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpbbm-rocker-shaft-5-hole\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp BBM Rocker Shaft 5-Hole Steel — Mopar B\/RB-Series Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/harland-sharpford-rocker-arm-adjusters-4pk\" style=\"color:#0066cc;text-decoration:none;\"\u003eHarland Sharp Ford FE Rocker Arm Adjusters 7\/16-20 Thread 4pk — Ford FE-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\":\"Harland Sharp B\/RB Mopar Rocker Arm Shafts \\u2014 Fits Chrysler B \u0026 RB Big Block V8\",\"description\":\"Enhance your Mopar Big Block valvetrain with Harland Sharp steel rocker arm shafts. Built for durability and performance. 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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 Harland Sharp?\",\"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 Harland Sharp B\/RB Mopar Rocker Arm Shafts \\u2014 Fits Chrysler B \u0026 RB Big Block V8?\",\"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":"Harland Sharp","offers":[{"title":"Default Title","offer_id":41125545410644,"sku":"BJHM_PR7001-78","price":274.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SHPPR7001-78.jpg?v=1717424594"},{"product_id":"fe-rocker-arm-shafts-pair-390-428","title":"PRW FE Rocker Arm Shafts Pair 390-428 Ford 0.851\" OD x 18.5\" Long","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 PRW\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003ePRW engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PRW lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePRW Rocker Arm Shafts - Precision Valvetrain for Ford FE Engines\u003c\/h2\u003e\n\u003cp\u003eEnsure optimal valvetrain performance in your Ford FE-series engine with this pair of PRW Rocker Arm Shafts. Designed specifically for engines like the 390, 406, and 428 cubic inch displacements, these shafts provide a stable and precise pivot point for your rocker arms, critical for consistent valve timing and lift.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ford FE-Series Engines (390, 406, 428, etc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Rocker Arm Shaft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold as a Pair (enough for one engine)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eOuter Diameter (OD): 0.851 inches\u003c\/li\u003e\n\u003cli\u003eLength: 18.500 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality material engineered for durability under high stress and temperature conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Provides a rigid platform for rocker arms to pivot on, ensuring accurate valve operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProperly functioning rocker arm shafts are essential for maintaining the integrity and performance of your engine's valvetrain. Worn or damaged shafts can lead to inconsistent valve lift, reduced power, and potential engine damage. These PRW shafts are built to meet the demands of performance Ford FE engines, offering reliability and precision. Enhance your engine's breathing and power with 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 PRW 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\/prwgm-oe-ls-rocker-trunnion-upgrade-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003ePRW GM LS Trunnion Upgrade Kit Chromoly Rocker Arm Set — Fits 1997-2015 GM LS-Series Engin\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/prwtrunnion-installation-tool-kit-gm-ls\" style=\"color:#0066cc;text-decoration:none;\"\u003ePRW Trunnion Installation Tool Kit — Fits GM LS-Series Rocker Arm Upgrades\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/prwfulcrum-upgrade-kit-gm-ls-series-16pk\" style=\"color:#0066cc;text-decoration:none;\"\u003ePRW Fulcrum Upgrade Kit Silicon Bronze Bushing — Fits GM LS-Series Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/prwhp-aluminum-water-pump-65-69-sbf\" style=\"color:#0066cc;text-decoration:none;\"\u003ePRW High Performance Aluminum Water Pump 5\/8in Pilot — Fits 1965-1969 Small Block Ford\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/prwhp-aluminum-water-pump-70-87-sbf-302-351w\" style=\"color:#0066cc;text-decoration:none;\"\u003ePRW High Performance Aluminum Water Pump 5\/8in Pilot — Fits 1970-1987 SBF 302\/351W\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\":\"PRW FE Rocker Arm Shafts Pair 390-428 Ford 0.851\\\" OD x 18.5\\\" Long\",\"description\":\"Upgrade your Ford FE engine with PRW Rocker Arm Shafts. Pair includes shafts with 0.851\\\" OD x 18.5\\\" length for 390-428 engines. Shop GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"PRW\"},\"mpn\":\"9539002\",\"url\":\"https:\/\/ggcracing.com\/products\/fe-rocker-arm-shafts-pair-390-428\",\"offers\":{\"@type\":\"Offer\",\"price\":\"149.26\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/fe-rocker-arm-shafts-pair-390-428\",\"sku\":\"FMJX_9539002\"}}\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\":\"PRW\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=PRW\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"PRW FE Rocker Arm Shafts Pair 390-428 Ford 0.851\\\" OD x 18.5\\\" Long\",\"item\":\"https:\/\/ggcracing.com\/products\/fe-rocker-arm-shafts-pair-390-428\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the PRW FE Rocker Arm Shafts Pair 390-428 Ford 0.851\\\" OD x 18.5\\\" Long 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 PRW?\",\"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 PRW FE Rocker Arm Shafts Pair 390-428 Ford 0.851\\\" OD x 18.5\\\" Long?\",\"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":"PRW","offers":[{"title":"Default Title","offer_id":41573231788116,"sku":"FMJX_9539002","price":149.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/PQX9539002.jpg?v=1726268250"}],"url":"https:\/\/ggcracing.com\/collections\/rocker-arm-shafts\/on-sale.oembed","provider":"GGCRACING INC","version":"1.0","type":"link"}