Precision main bearing made to OEM specifications for reliable performance.
Active filters
Designed for HD® Evolution OEM replacement. Machined from high‑grade metal with a corrosion‑resistant dark finish. Multipurpose alignment pins. Made in the USA.
PTFE valve guide seals with twin-spring tension for reduced friction and reliable valve control. Made in USA.
- Precision-machined bronze construction for durability
- Tapered nose to reduce port obstruction and improve flow
- Compatible with unleaded fuel and a range of valve‑stem materials
- Accepts top‑hat valve seals (sold separately)
- Made in the USA
Precision-machined valve guide accepts special seals and works with no-lead fuel; made in the U.S.A.
Precision-machined cast iron valve guide compatible with unleaded fuel and all valve-stem materials. Durable OEM-style design, made in the USA.
High-strength valve keeper keys, precision machined and heat treated for reliable performance. Made in the USA.
High-density powdered metal valve seats designed for exceptional wear resistance and thermal stability.
One-piece nitrided stellite-tipped stainless-steel valve with improved wear resistance and low friction. Compatible with leaded and unleaded fuels. Made in the USA.