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.
Complete Race Series® camchest kit with full-travel hydraulic roller lifters. Quieter operation, higher oil pressure, cooler engine and oil temps. Made in the USA. Not for '23-'24 121" VVT.
- Precision press-on races for true outer diameter after installation.
- Includes right and left crankshaft races and left-side thrust washers.
- Made in the USA.
Eliminates scavenge pickup blockage, keeps the cross-sump port open, 0.265" tall vs OEM 0.465", accommodates varying M8 case ports, made in USA.
Press-on undersize crankshaft bearing races for right and left sides, includes left-side thrust washers; enables repair and remachining after race spinning. Made in USA.
Heavy-duty inner camshaft needle roller bearings for performance engines. Manufactured by Koyo® Torrington® and made in the USA.
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.
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.