S&S Cycle

Uses the OEM dual-cable system throttle system for smooth, reliable operation Adjustable accelerator pump for quick throttle response and easy starting Has 1-7/8" throat at the butterfly and a 9/16"...

S&S 128" Power Package Engine Performance Kit - Gear Drive - Wrinkle Black with Non-Highlighted Fins Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with...

Includes a S&S cover, backing plate and high-quality filter element and hardware kit Available for most OEM carburetors and S&S performance intake systems Increase horsepower with no other...

Fit the S&S Stealth air cleaner kits Made in the U.S.A.

This S&S® Stealth air cleaner kit fits 2003-'17 HD® models equipped with a 66mm S&S® Throttle Hog throttle body.  Increased filter area, combined with an air...

This is for +0.030" Diameter Thread Size - Typically for use in engines with damaged breather bores New-style breather is not dependent on the rotation of the crankshaft to make it open and close...

Oil pump drive shaft for Big Twin models Fitment: 1999 Harley-Davidson Super Glide Sport FXDX 1999 Harley-Davidson FXR 2 1999 Harley-Davidson FXR 3 1999 Harley-Davidson Softail Night...

Made of high-strength forged steel and designed for stock and high-performance custom applications Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for...

S&S Cycle Oil Pump Pinion Shaft Conversion Kit Pinion and oil pump gear kit for use on 1977-1989 big twin engines with S&S flywheels for 1977-1999 engines, including S&S SH-Series...

Kit comes with gear and spacer Require the use of corresponding cam and pinion gear Made in the U.S.A. Replacement Part for OEM Numbers:  5313772531377A2531377B

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 Made...

Kits include all required bearings, O-rings, and hardware Bolt-in compatible with all stock valve train components Provides increased torque and horsepower Gear drive cams provide improved valve...