Active filters
Direct bolt-in stock replacement camplate engineered for improved lubrication and cold-start protection. Preset relief valve (50–60 psi); includes bearing retainer plate and hardware.
Directs air through a side scoop to cool cylinder heads; includes a high-powered waterproof fan, temperature switch (activates at 140°F), manual override, wiring and hardware. Plug-and-play installation with no drilling. Not for "Twin Cooled" models.
Quality camshaft kit for 1954–1984 Big Twin models; higher lift and improved valve timing. Quiet hydraulic operation when used with hydraulic conversion kits.
Replacement rings for S&S pistons. Includes rings for two pistons. Made in the U.S.A.
Includes rings for one piston only.
Designed specifically for compatibility with Wiseco pistons.
Precision spacer kit for aligning the rear camshaft and crank sprockets; fits early-style camshafts and conversion cam plates.
Complete replacement set includes top and second compression rings plus three-piece oil control rings; restores sealing and oil control for two pistons.
Stock replacement cam chain engineered for reliable timing and long service life. Direct-fit option for routine maintenance and rebuilds.
Stock replacement cam chain for reliable cam timing and long service life.
Direct bolt-in replacement for EVO engines.
Compatible with stock valve springs, pushrods and lifters.
Responds well to performance exhaust and air cleaner.
Also benefits from increased compression and cylinder head work.
Optimal power in the 1650–5500 RPM range.