Engine

Active filters
Enhances the center of the oil cooler trim with a stylish guard. Easy to install and built in the USA.
Dresses up the oil cooler area with matching vent‑screen material; easy to install. Made in the USA.
Durable radiator guard with mounting bracket for easy installation. Protects against rocks and road debris. Made in the USA.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
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.
Kit for mounting rotors to hubs; sturdy construction and made in the U.S.A.
Secure, precision fastener for motorcycle control assemblies. Made in the U.S.A.
Complete rotor-to-hub kit for single-disc applications. Two kits required for dual-disc setups.
Complete bolt kit for primary and derby cover service. Made in the U.S.A.
Durable fastener engineered for secure attachment of control assemblies; precision fit and corrosion resistance.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.