Engine

Active filters
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.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
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.
High-flow piston oiling jet kit designed for stock and high-performance flywheels; modified for stroker applications. Made in the U.S.A.
Quality pinion shaft bushing. Made in the U.S.A.
Precision machined cam cover bushing with .0002" tolerance and installation lead-in. Made in the U.S.A.
Easy-install head bolt covers; includes Schrader valve cap. Sold as a set of four.
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.
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.