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.
Active filters
High-precision hydraulic tappets with micro-finish bore and oversized axle for improved cam tracking.
Top-quality sealing with silicone beading for improved leak resistance. Made in the USA.
High-quality primary gasket with silicone beading; made in the USA.
- Fits cast iron and aluminum valve-lifter blocks
- Billet bearing metal construction
- Hand fit hydraulic unit, .0002" running fit
- Recommended block clearance .0007"–.0012"
Durable replacement seal that restores smooth shifting and prevents leaks.
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 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.
Genuine James kit with matching head and base gaskets and O-rings where applicable. Made in the USA.
High-quality exhaust port gaskets. Made in the USA. Available in dealer packs of 2, 5, or 10.
Replacement gaskets for transmission top cover. Prevent leaks and restore sealing.