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.
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.
Bolt-in cam kit for 2200–5200 RPM performance; boosts horsepower past 100. Compatible with compression ratios up to 11.0:1. Includes bearings, o-rings, and hardware. No tuning required.
Bolt-in camshaft for 103” engines. More power between 2,500–5,500 rpm. Works with stock and ported heads. Made in the USA. Professional installation required; check clearances and use proper tools.
Bolt-in camshaft kit for 103" engines; strong midrange power (3,000–6,000 rpm). Requires high-lift valve springs and clearance checks.
Tighter inner-diameter tolerance improves pinion fit and reduces cam timing variance. Made in USA.
Stock replacement roller chain drive sprocket. Made in the USA. Compatible with early 1999–2006 engines when upgrading to the hydraulic cam chain tensioner.