Engine
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Provides a secure seal and easy inflation for most tubeless tire rims.
Angled stem provides clear access on dual-disc wheels and simplifies inflation. Eliminates wrestling the air chuck between the brake discs. Lightweight construction reduces rotating weight. Compatible with most tubeless rims.
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.
- Made to exact tolerances for OE-style fit and wear.
- Made in the USA.
- Does not include oil hole(s); must be drilled after installation.
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.