Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
Engine
Active filters
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.
Complete set of top, second, and oil control rings to restore sealing and oil control; includes rings for two pistons.
Complete set of top, second, and oil control rings for two pistons.
Barrel‑face top rings, Napier second rings, and three‑piece Flex Vent oil rings for reliable sealing and oil control.
Complete replacement piston ring set including top, second, and oil control rings to restore compression and manage oil control. Includes enough rings for two pistons.
Includes top and second compression rings plus three-piece oil control rings; made in the USA; enough rings for two pistons.
Complete replacement piston ring set for two pistons, including barrel face top rings, Napier second rings, and three-piece oil control rings.
Includes top and second compression rings plus three-piece oil control rings; enough for two pistons.