Engine

High-quality, fuel-resistant cover seal engineered for long-term reliability. Made in the USA.
Durable retention plate for gear-drive cam systems. Recommended for use with gear-drive cams. Made in the U.S.A.
High-quality replacement parts for valve stem kits to ensure optimal motorcycle performance.
High-quality replacement parts for valve stem kits to ensure optimal motorcycle performance.
Computer-designed cam set made from alloy steel billets with heat-treated finish; made in the USA. Installer must verify clearances prior to installation.
The 90° Bend/Angled Valve Stem simplifies tire inflation on dual disc wheels with its direct 90° design, made from lightweight aluminum.
Computer-designed alloy steel cam set, heat treated and made in the USA. Installer must verify coil bind and valve clearances.
Upgrades '99-'06 Twin Cam engines (except '06 Dyna Glide) to roller-style cam chains and replaces spring-tension adjusters with hydraulic adjusters. Requires '07-'17 cam plate, oil pump, cam sprockets, chains and both hydraulic adjusters (sold separately). Made in the USA.