Engine

Active filters
Compact universal fitting for joining flare and threaded connections. Easy install and durable performance.
Durable short straight metal tyre valve for tubeless rims suitable for various vehicles.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
State-of-the-art compression release valves that reduce hot starts and lower starter and battery loads. Sold as a set and made in the U.S.A.
State-of-the-art design to reduce hot starts and starter/battery loads. Custom molded knobs, sold in pairs, made in the U.S.A.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.