Converts early '99–'06 spring-tensioner cam-chain systems to the late '07–'17 hydraulic design. Includes billet oil pump, high-flow camplate, lifters, tensioner housings, chains, sprockets, bearings, gaskets and installation hardware. Rocker box gasket kit included to reuse factory one-piece pushrods. Made in USA.
Active filters
Complete Race Series conversion kit to replace early 1999–2006 mechanical spring cam chain tensioners with the late 2007–2017 hydraulic system; includes pump, lifters, housings, chains, sprockets and hardware.
Complete conversion kit to upgrade early mechanical cam chain systems to hydraulic-style operation; includes pump, full-travel lifters, chains, sprockets and hardware.
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.