Engine
Active filters
Complete replacement set includes top and second compression rings plus three-piece oil control rings; restores sealing and oil control for two pistons.
Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.
Complete replacement ring set for two pistons with PVD coating and three-piece oil control rings.
Complete replacement piston ring set with PVD coating: barrel face top rings, Napier second rings, and three‑piece flex vent oil control rings. Includes enough rings for two pistons.
Complete replacement set with top, second, and three-piece oil control rings; PVD coating on top rings; includes rings for two pistons.
Complete replacement set with PVD-coated barrel face top rings, Napier second rings, and three-piece oil control for improved sealing and oil economy.
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.
Plug and plug kits for Harley-Davidson oil systems. Complete with washers or O-rings; made in the U.S.A.
Durable button-head Allen drain screws with copper compression washers for fork sliders.
Fits Stem Bolt Kit (Part# 2401-0117).
Made in the U.S.A.