Precision billet-machined tappets, hand-fitted for exact cam timing and improved roller life.
Active filters
Precision roller assembly with larger outer rollers, smaller pin bearings for higher rpm, and an enlarged axle that eliminates internal movement. Made in the U.S.A.
High-precision hydraulic tappets with micro-finish bore and oversized axle for improved cam tracking.
Performs like hydraulic to 5,500 rpm then becomes solid, adding ~3–6 hp and preventing hydraulic pump-up. Made in the U.S.A.; requires adjustable pushrods.
- Fits cast iron and aluminum valve-lifter blocks
- Billet bearing metal construction
- Hand fit hydraulic unit, .0002" running fit
- Recommended block clearance .0007"–.0012"
Replacement countershaft bearing retainer washers.
Reduce starting compression with easy-install manual release valves. Drill and tap each cylinder head 10 mm x 1.0 mm. Fits all Big Twin models.
Replacement OEM first gear thrust washers for reliable countershaft support and smooth shifting.
Replacement component for Big Twin models; precision-machined to restore lubrication performance and reduce noise.
High-strength pinion shaft nut designed for secure gear-side installation and long service life.
Precision-made valve lock keys with a 10° lock angle. Heat-treated and made in the U.S.A. Designed for reliable valve keeper service.
Durable piston pin clips for a wide range of Harley models. Meets or exceeds OEM specs. Made in the USA.
High-quality OEM replacement components for cam bearing assemblies.
Essential shims for precise cam setup. Made in the USA.
Plug-and-play cooler kit with a high-powered, waterproof fan and temperature-activated switch; includes wiring, hardware and instructions. Not for "Twin Cooled" models.
Precision sprocket spacers to restore chain alignment. Made in the U.S.A.