S&S CYCLE

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum the...

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

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

These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 106" displacemen...

These big bore pistons work with the stock 4-3/8" stroke flywheels to convert any 2007-'16 HD® big twin engine from 96" or 103" to 106" displacemen...

This 106" big bore Hot Set Up Kit® is easy to install. No machining or rebalanceing is required, and the engine does not need to be removed from th...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require ...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require a...

Stock bore stroker kits have always been an economical way to increase the displacement of your engine. Installation of this kit does not require a...

This bolt-in big bore kit is easy to install, and requires no machining or rebalancing. This is the largest bore (3.937") that can be fit in a stoc...

This bolt-in big bore kit is easy to install and requires no machining or rebalancing. This is the largest bore (3.937") that can be fit in a stoc...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early ...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early ...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early ...

The 110" Power Package is the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early ...

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum the...

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum the...

This big bore cylinder and piston kit contains S&S 4-1/8" bore cylinders and forged pistons, rings, wrist pins, head and base gaskets. The cyli...

This big bore cylinder and piston kit contains S&S 4-1/8" bore cylinders and forged flat topped pistons, rings, wrist pins, head and base gaske...

12" Fuel Line Insulator (USA & TÜV approved) 12" Fuel Line Insulator Made in the U.S.A.   Specs PRODUCT NAME GAS LINE INSULATOR COLOR/F...

This 124" big bore/stroker Hot Set Up Kit® transforms a stock 88" engine into a 124" monster. This kit includes S&S 4-1/8" bore pistons, big bo...

This 124" big bore/stroker Hot Set Up Kit® transforms a stock 88" engine into a 124" monster. This kit includes S&S 4-1/8" bore pistons, big bo...

The S&S Hot Set Up® kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcases Include S&S hea...

This 124" big bore/stroker Hot Set Up Kit® transforms a stock engine into a 124" monster. This kit includes S&S 4-1/8" bore pistons, big bore c...