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- Fits cast iron and aluminum valve-lifter blocks
- Billet bearing metal construction
- Hand fit hydraulic unit, .0002" running fit
- Recommended block clearance .0007"–.0012"
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.
Direct replacement for the stock cam cover. Includes hardware and gasket. Vision window with polycarbonate lens. Multiple finish options. Made in the U.S.A.
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.
- Direct replacement for stock cover
- Includes all hardware and gasket
- Polycarbonate lens for a unique internal view
- Available in multiple finishes
- Made in the U.S.A.
Low-profile billet tappet and pushrod cover kit; fits Twin Cam pushrod covers only; sits 1/2" lower than stock; includes gaskets, O-rings and screws; made in USA.
Precision CNC-machined component that improves heat dissipation; includes chrome hardware and gasket.
Direct replacement derby cover for OEM primaries; race-inspired design improves heat dissipation. Hardware and gasket included. Made in the USA.