Engine

Active filters
Compact automatic thermal switch. Normally open; activates 12V accessories at preset temperature. NPT 1/8" probe, easy wire connections, made in USA.
High-efficiency vertical, frame-mounted oil cooler kit with automatic fan; ideal for low-speed and highway use. Includes fan, hose, hardware, thermal switch wiring harness, and filter adapter. Made in the USA.
Directs air through a side scoop to cool cylinder heads; includes a high-powered waterproof fan, temperature switch (activates at 140°F), manual override, wiring and hardware. Plug-and-play installation with no drilling. Not for "Twin Cooled" models.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Quality pinion shaft bushing manufactured in the U.S.A. Precision fit for reliable performance.
High-precision wrist pin bushing machined to tight concentricity tolerances with a lead-in edge for easy installation.
Precision-machined wrist pin bushings hold concentricity to less than .0002" and feature a lead-in edge for easy installation. Made in the U.S.A.
Powerglide™ Steady Roll tappets with a Steady Roll bronze bushing, billet steel body and enhanced lubrication for longer service life.
Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.