Active filters
Precision breather seal made in the U.S.A. Ideal for routine maintenance and rebuilds.
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.
Made to exact tolerances; does not include oil holes; made in USA.
Premium tappet gaskets engineered for long-term reliability and fuel resistance. Do not require gasket sealer. Made in the USA.
Durable multilayer gasket with Viton®-coated layers for reliable sealing in shift tube applications.
High-quality, fuel-resistant rocker gasket with Viton-coated sealing and stainless steel core. Made in the USA.
Stellite-tipped stainless-steel valve nitrided for improved wear resistance, corrosion protection, and reduced friction.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
High-density powdered metal valve seats for superior wear resistance and thermal stability. Tested for track and street use.