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.
Engine

Active filters
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.
Complete gasket and seal kit for the deflector plate that prevents leaks and restores reliable sealing. Made in the USA.
Quality pinion shaft bushing. Made in the U.S.A.
High-performance valve spring kit engineered for racing applications. Progressive springs and a complete set for one engine; made in the USA.
Precision-machined shouldered valve guide in nickel bronze for superior wear resistance and heat conductivity. Sold each.
High-density powdered metal valve seats offering exceptional wear resistance and thermal stability. Made in the USA. Typically supplied as two intake and two exhaust seats per application.
Precision machined cam cover bushing with .0002" tolerance and installation lead-in. Made in the U.S.A.
Precision-machined cast-iron valve guide compatible with unleaded fuel; OEM-style replacement.
Precision C63000 bronze valve guides with tapered nose design for improved flow. OEM style; top hat seals sold separately.
Precision-machined cast iron valve guide compatible with unleaded fuel and all valve-stem materials. Made in the USA.