Engine
Active filters
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.
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
One-piece nitrided stainless-steel valve with stellite tip for superior wear resistance and reduced friction. Made in the USA.
One-piece Stellite-tipped nitrided valve delivering superior wear resistance, reduced friction, and optimized flow. Made in the USA.
Nitrided valve with stellite tip for reduced wear and friction; compatible with leaded and unleaded fuels. Made in USA.
Stellite-tipped nitrided stainless-steel valve offering superior wear resistance, lightweight profile, excellent flow, and fuel compatibility.
One-piece nitrided stainless-steel valve with stellite tip for reduced wear and improved flow.
Compatible with leaded and unleaded fuels; made in the USA.
One-piece nitrided valve with stellite tip for improved wear resistance and reduced friction.
Lightweight profile, corrosion resistant, compatible with leaded and unleaded fuels.
Precision-machined valve guide compatible with no-lead fuel and multiple valve-stem materials. Made in the USA.
OEM replacement dowels for HD® Evolution engines that ensure precise cylinder alignment and reliable fitment.
Precision CNC locating pins for engine head alignment. Made in the USA.
Easy-installation covers that help match grips.
Includes a Schrader valve cap.
Easy-install covers for exposed engine fasteners. Includes Schrader valve cap.
Precision-ground studs with radius-ground thread ends and hydraulically rolled threads for maximum strength and reduced notch sensitivity.