Valvetrain

Start any engine regardless of displacement or compression ratio with a stock starter Save your starter and battery; tested for 10,000 starts without running battery down Allow for easy start by...

The HPT 560 Cam Chest Kit with black pushrod tubes for 2023-2026 Harley M8 Models with VVT Chain Drive HPT560 camshaft (NOTE: The VVT560 cam can only be installed on a 121 engine) Bolt-In Design for...

The HPT 560 Cam Chest Kit with chrome pushrod tubes for 2023-2026 Harley M8 Models with VVT Chain Drive HPT560 camshaft (NOTE: The VVT560 cam can only be installed on a 121 engine) Bolt-In Design...

For use in stock 07-17 Twin Cam engines or 99-06 Twin Cam engines with a hydraulic upgrade cam plate like the S&S TC3 bodies machined from 6061 aluminum. Larger diameter piston and tighter tolerance...

Quality hydraulic lifter unit for 1953-1984 big twin engines Made in the U.S.A. Compatible Vehicles

Precision-machined and heat-treated bodies Premium-quality non-pump-up hydraulic inserts Eliminate noise from the mechanical valve train For 1953-'84 HD big twins Made in the U.S.A.

Precision-machined and heat-treated bodies Premium-quality anti-pump-up hydraulic inserts Eliminate noise from the mechanical valve train +0.003" oversize For 1953-'84 HD big twins Made in the U.S.A...

S&S - HYDRAULIC TAPPETS (LIFTERS) Revised metering device precisely controls oil delivery to top end, ensuring rapid lifter pump-up and reducing possibility of oil starvation to bottom end...

Replacement cam chaim tensioner shoe compatible with all S&S cam chain tensioners for 1999-2017 big twin and 2017-later big twins Comes with plunger and spring, everything needed to refresh the S&S...

A high strength, precision made replacement for the stock camshaft inner bearing used on 1936-1999 big twin oem engines. Made in the U.S.A. Compatible Veh

A high strength, precision made replacement for the stock camshaft inner bearings that were prone to failure on 1999-2006 big twin oem engines Made in the U.S.A.

A high strength, precision made replacement for the stock camshaft inner bearing on 2017-2021 M8 engines. Made in the U.S.A. Compatible Vehicles<