S&S Cycle

Built-in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow Kits incl...

Built-in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow Kits incl...

Made in the U.S.A.

Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super Stock™ T2 c...

For use with all current S&S intake manifolds Made in the U.S.A.

Kits include all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motor Made in the U.S.A.

A two-gear set is required for gear-driven cams that do not come with secondary cam gears; includes outer cam drive gear, pinion drive gear and mou...

Cast iron intake/exhaust guide Fits S&S Super Stock and stock Harley-Davidson cylinder heads Guide ID measures aprox. .309"/.310" with enough m...

Cast iron intake/exhaust guide Fits S&S Super Stock and stock Harley-Davidson cylinder heads Guide ID measures aprox. .309"/.310" with enough m...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

S&S heads give great performance, and work with additional upgrades Kits are fully assembled, and include stainless steel valves and high-lift ...

S&S heads give great performance, and work with additional upgrades Kits are fully assembled, and include stainless steel valves and high-lift ...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also inc...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also inc...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also inc...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also inc...

Includes eight 3.374" headbolts and eight .100" washers For use with S&S Twin Cam-style heads and custom applications that require equal length...

Replacement silicone solenoid caps for S&S electronic and manual compression release kits Made in the U.S.A.

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

Bolt in - no machining, balancing or splitting the crankcases; install can be performed with engine still in frame Cast Ductile Iron Sleeve in cas...

S&S heads are available to be used with stock-style flat-top pistons Kits are fully assembled, and include stainless steel valves and high-lift...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

Give your Shovelhead engine that nostalgic look of a Panhead Kit consists of a set of S&S P-series cylinder heads with rocker cradles, S&S ...

Give your Shovelhead engine that nostalgic look of a Panhead Kit consists of a set of S&S P-series cylinder heads with rocker cradles, S&S ...

Heads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars and valve keepers Complete kits also inc...

Replacement silicone solenoid caps for S&S electronic and manual compression release kits Made in the U.S.A.

.574" x 1.450" x .030" Black, steel construction

S&S heads are available to be used with stock-style flat-top pistons Kits are fully assembled, and include stainless steel valves and high-lift...

S&S heads are available to be used with stock-style flat-top pistons Kits are fully assembled, and include stainless steel valves and high-lift...

Kits include front and rear cylinders, base nuts, headbolts, base gaskets and head gaskets Made in the U.S.A. 3.625" bore cylinders require crankca...

Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or split existing cases, just swap the cylinders...

Bolt-on cylinder set For 4.375" stroke motors Made in the U.S.A.

 NOTE: Not recommended for trike models. Big Bore kit yields excellent results with stock cylinder heads Easy installation no need to bore or spli...

Bolt on Cylinder Set For M8 Models

Huge bore increase (4.320") means huge power increase Retains stock engine height Powder coat finish match factory finish, giving the bike a “sleep...

Huge bore increase (4.320") means huge power increase Retains stock engine height Powder coat finish match factory finish, giving the bike a “sleep...

Positive O-ring seal ensures leak-free operation Can be installed with the stock engine in the frame in most applications Include rocker boxes, gas...

Increase displacement from 883cc to 1200cc Saves time because pistons are already fit to the cylinders - ready to assemble out of the box Cylinders...

Include a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16" for 74" engines or 3-1/2" for 80"), forge...

High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Comp...

Cylinders have a stock bolt pattern Bored slightly under nominal size and are not honed Designed for 124" Hot Set Up Kits used in '99-'17 Twin Cams...

Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning Combines both a stainless steel baffle and RaceTEX cartridge pack...

 NOTE: Qualified manufacturer declared emissions replacement part on '20-'22 Indian Challenger and Chieftain Touring models.   Removable dB Reduce...

Fit most generator motors; styled after the OEM types below Cast construction with a natural finish Include gasket and mounting hardware Made in th...

Supply-side gears are 9% wider than stock Return gears are 28% wider than stock to ensure that the additional volume of oil supplied to the engine ...

Used to change the main jet in S&S super carburetors that use #72 series jets Made in the U.S.A.