{"product_id":"suncoast-coa-22811a-super-shaft-steel-alloy-main-shaft-w-rolled-splines","title":"Suncoast \"Super Shaft\" Steel Alloy Main Shaft w\/ Rolled Splines","description":"\u003cp\u003e \u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\"SUPER SHAFT\" STEEL ALLOY MAIN SHAFT W\/ROLLED SPLINES\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\n\u003cp data-start=\"0\" data-end=\"37\"\u003eThe Coan Racing COA‑22811A “Super Shaft” Steel Alloy Main Shaft with Rolled Splines is a race-grade powerhouse crafted for extreme-duty applications in Turbo Hydramatic 400 transmissions. Made in the USA from high-strength steel alloy, this main shaft stands out with its precision-rolled spline profile, offering superior durability and a cleaner spline fit that minimizes stress concentration and enhances resistance to fatigue, making it ideal for high-torque, high-RPM environments.\u003c\/p\u003e\n\n\u003cp data-start=\"0\" data-end=\"37\"\u003e \u003c\/p\u003e\n\n\u003cp data-start=\"0\" data-end=\"37\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDesigned as a direct-fitting replacement, the shaft installs seamlessly into standard TH400 cases without any need for modifications. Its robust construction ensures dependable performance during heavy-duty use, whether in bracket racing, or aggressive street-driven builds\u003c\/span\u003e. The rolled splines guarantee a consistent and tight engagement, supporting reliable power transfer and extending drivetrain integrity under stress.\u003c\/p\u003e\n\n\u003cp data-start=\"0\" data-end=\"37\"\u003e \u003c\/p\u003e\n\n\u003cp data-start=\"0\" data-end=\"37\"\u003eThe COA‑22811A “Super Shaft” delivers a thoughtful balance of strength, precision, and durability. By incorporating high-quality steel alloy and advanced spline-rolling techniques, this main shaft significantly upgrades the TH400 front-end assembly, ensuring that high-performance builds have a solid core to build upon.\u003c\/p\u003e","brand":"Suncoast Performance","offers":[{"title":"Default Title","offer_id":48219469676785,"sku":"COA-22811A","price":1044.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/1344\/3057\/files\/Super-Shaft_-Steel-Alloy-Main-Shaft-w-Rolled-Splines-Suncoast-Performance-151384289.jpg?v=1779832364","url":"https:\/\/tamelessperformance.com\/products\/suncoast-coa-22811a-super-shaft-steel-alloy-main-shaft-w-rolled-splines","provider":"TAMELESS PERFORMANCE","version":"1.0","type":"link"}