All Products

Big-bore bolt-on kit increases your 107" M-Eight to 129" with no case machining required. Includes 4.32" bore cylinders with 11:1 forged pistons, S&S oil pump/cam plate, quickee pushrods, tappets, cuffs, cams, valve springs, and all necessary gaskets and hardware.

1200cc displacement cylinders bored slightly under normal size (not honed). Includes dowel pins. Available with a silver finish.

Single-fire coil with two separate coils in a single package. Works well with any single-fire ignition system.

Bolt-on cylinder set bored slightly under nominal size (not honed). Wrinkle black finish without highlighted cylinder fins.

Show-quality chrome or black ceramic finish slip-on mufflers with race-inspired Grand National end caps. Features a high-flow perforated baffle with removable dB reducer. Aggressive sound and excellent horsepower.

Bolt-in cams providing excellent torque with stock or ported heads. Recommended for modified engines up to 89" displacement.

Includes a 70 mm S&S Throttle Hog throttle body and all components needed for installation on the 143" engine. S&S Stealth air cleaner included; use stock 99-07 cover or any of the S&S Stealth covers.

Adjustable support bracket, adjusts from 5 1/4" to 6 3/8". Mounts from the center case bolt between cylinders to the lower flange mount of the manifold. Made in the U.S.A.

Kits include four S&S adjustable pushrods or Quickee pushrods, four pushrod covers, and O-rings. Pushrods are manufactured from chromoly steel for superior strength. Pushrod covers have a chrome-plated or gloss black finish. Quickee Kits do not require rocker box removal. Adjustable kits require rocker box removal. Made in the U.S.A.

0.4375" diameter chromoly steel for maximum strength. Rocker boxes must be removed for installation or removal. Sold in sets of four. Made in the U.S.A. Note: Twin Cam and XL applications will require aftermarket pushrod tubes that allow access to adjusters.

Uses the S&S high-flow Stealth air cleaner and replaces it with a similarly shaped air filter element. Added air filter surface area improves airflow compared to standard Stealth filter. Kit includes backing plate cover, filter, and hardware. Made in the U.S.A.

Big Bore kits yielding excellent results with stock cylinder heads. Features easy installation with no case boring or splitting (unless noted). Cylinders made from premium aluminum castings with cast-in iron liners. Kits include cylinders, pistons, rings, and gaskets.

Bolt-in big bore kits requiring no machining, balancing, or splitting of crankcases. Features cast ductile iron sleeves in cast aluminum cylinders for superior heat transfer. Increases 88" engines to 100" and 96"/103" engines to 110". Includes cylinders, forged pistons, rings, piston pins, clips, and gaskets.

More airflow for improved performance with a 66 mm diameter for big-inch engines. One-piece throttle body/manifold design for easy installation and stock appearance. Compatible with stock sensors, fuel rail and throttle cables. Sealed, stainless steel throttle shaft with dual roller bearings.

Superior quality OE replacement bearings. Sold each. Made in the U.S.A.

Complete cam chest kits including S&S bolt-in performance camshafts. Kits improve engine performance with higher lift and optimized cam timing. Includes premium U.S. made S&S oil pump, cam support plate, cams, tappets, and S&S pushrods for easy installation without removing pushrod covers.

The proven performance of an S&S cam chest kit without the cams, allowing freedom of choice in cam profiles. Features precision-machined billet aluminum oil pump and cam plate, independent scavenge sections for flywheel cavity and cam chest, debris screens, and adjustable pressure relief valve. Includes Quickee Pushrods, S&S Precision tappets, and...

Kits include all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motor. Gaskets include copper exhaust gaskets.

OE-quality replacement part. Made in the U.S.A.

Precision-machined from billet aluminum with a blue anodized finish. Passage plugs are removable for servicing. For use with OEM or S&S oil pumps. Made in the U.S.A.

Precision CNC-machined forged aluminum. Features adjustable oil pressure regulator (adjust without removing plate). Passage plugs removable for service. Rebuildable bronze pinion shaft bushing and bronze cam bushings (07-later style). Made in the U.S.A.

Rebuild kits and replacement components for S&S Super E and G carburetors, including gaskets, O-rings, and hardware.

Solves the problem of oil carryover in Twin Cam 'A' motors with stock oil pump. Easy to install when changing cams or servicing oil pump. Made in the U.S.A. Note: Not for use with Feuling oil pumps.

For use in stock and S&S flywheels. Made in the U.S.A.

Unique S&S designed dual-spring kit reduces the risk of valve float. For valve lift to 0.585" with 1.800"/130 lbs. installed height, 325 lbs. at max lift. Includes springs, top and bottom collars, keeper shims and valve seals. Made in the U.S.A.