American Prime Mfg

American Prime Manufacturing is a respected leader in high-performance motorcycle drivetrain components, specializing in clutch plates, pressure plates and complete clutch systems. Designed for Harley-Davidson Big Twin and custom motorcycle applications, each component is built to deliver reliable power transfer, smoother shifting and long-lasting durability under demanding riding conditions.

Riders can enhance their bikes with replacement clutch packs like the Primo Pro Clutch Pack or upgrade to the Brute IV Belt Drive Clutch Pack, both engineered for responsive control and precise fitment. Power Clutch Kits and York Pro Clutch Kits offer consistent engagement and optimized performance, making them ideal for touring, performance builds and everyday riding.

Whether you’re restoring a classic Harley-Davidson or building a custom performance machine, American Prime Manufacturing clutch and pressure plate systems combine engineering precision with American-made durability. From mainshaft bearing supports to belt drive assemblies, every part is crafted to improve reliability, handling and rider confidence on every ride.