Kits include front and rear lifter blocks plus gaskets. Mounting screws sold separately; 53-65 models use 1/4"-24 screws. Made in the U.S.A.
Active filters
Precision right-side crankcase bushing with 360° oiling and U.S.-made construction.
Precision pinion gear shaft, made in the U.S.A., designed for reliable drivetrain performance.
Precision-engineered tappets with larger outer roller wall, reduced pin bearing diameter and a reinforced axle for improved cam-lobe tracking and less vibration. Made in the U.S.A.
Precision spacing component that ensures proper drive alignment. Made in the U.S.A.
Precision CNC-machined lifter covers. Gaskets and screws included. Made in the United States.
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.
- Interference double-spring design with damper for harmonic control.
- Includes locks, retainers and spring seats.
- Built for severe service and high-compression engines.
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.
Seals cam covers to prevent oil leaks. Fits most cam covers. Made in the U.S.A.
Forged piston kit with complete X-ring package and installation hardware. Made in the USA.