Engine

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.
State-of-the-art compression release valves that reduce hot starts and lower starter and battery loads. Sold as a set and made in the U.S.A.
State-of-the-art design to reduce hot starts and starter/battery loads. Custom molded knobs, sold in pairs, made in the U.S.A.
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.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
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.
PTFE valve guide seals with twin-spring tension for reduced friction and reliable valve control. Made in USA.