Collection: Auto - Sprag Assembly

Ensure reliable torque holding and smooth gear transitions with the precision of our selection of Auto Sprag Assemblycomponents. At DIY Customs, we provide high-durability one-way sprag clutches, specialized heavy-duty transmission sprags, durable rollers, and specialized sprag races designed for a perfect fit in performance automatic transmissions and custom drivetrain builds. Whether you are seeking a specialized 34-element sprag upgrade to prevent high-torque failure in a racing transmission, outfitting your street machine with specialized reinforced sprag assemblies for better durability under load, or seeking specialized replacement clutches for a factory rebuild, our professional-grade drivetrain hardware offers the mechanical grip and wear resistance you need at unbeatable prices. From specialized lightweight assemblies to direct-fit sprags for popular transmissions like the TH400, 4L80E, and Ford C6, we carry the essential gear for every powertrain project. Don't see the specific element count, transmission model, or specialized hardened race for your build? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!