Valvetrain

Stylish Black pushrod tubes enhance the look of your engine Great match for the Black engine covers offered on some new HD models Pushrod Tubes only Requires separate purchase of keepers Compatible...

OEM specification replacement hydraulic cam with unique front and rear timing specifications Dead-on reproduction of the stock cams used in 1948 to 1969 Big Twins Perfect for repair and restoration of 74" and 80" engines Available for...

OEM specification replacement hydraulic cam with unique front and rear timing specifications Dead-on reproduction of the stock cams used in 1948 to 1969 Big Twins Perfect for repair and restoration of 74" and 80" engines Available for...

S&S Hydraulic Tappets fit all HD Evolution, HD big twin engines and 1986-'90 Sportster models They also are used in S&S engines for 1966-'84 big twin chassis These tappets feature numerous significant design improvements and are perfect...

Adjustable cam timing so you can dial in the power curve Builds power sooner and holds it for longer Compatible with high-compression pistons Higher lift and longer duration than the stock cam Intake open/Intake close: 1° BTDC/35° ABDC Intake...

Bolt-in cam for 103" and 106" Big Bore Twin Cam motors Use with stock heads (up to 10.2 compression) and low restriction intake and exhaust Great for lighter bikes with strong power from 3500-6000 rpm Intake open/Intake close: 20/49 ...

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 initially reducing crank compression, but once the engine...

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 fit of the shoe in the body provide improved...

Quality hydraulic lifter unit for 1953-1984 big twin engines Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1983 Harley-Davidson Disc Glide FXDG 1979-1981 Harley-Davidson Electra Glide Classic...

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. Compatible...

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. Compatible...

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. Each lifter body and plunger assembly is hand-fit and...