Engine

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High-flow piston oiling jet kit designed for stock and high-performance flywheels; modified for stroker applications. Made in the U.S.A.
High-capacity hydraulic tappets developed for increased load, lubrication and service life; billet body and wider rollers.
4340 chromoly pushrods with solid adjustable tappets for aggressive cam profiles and high RPM; made in the U.S.A.
Protects the oil pump and cam plate from debris. Ideal when doing cam bearing work. Does not restrict oil flow; lowers oil temperature 5–10°F. Easy to install and clean. For use with OEM oil pumps only.
Quality replacement that meets or exceeds OEM specifications. Made in the U.S.A.
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.
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.