S&S Performance

488 products

S&S Cycle offers premium high performance solutions for Harley-Davidson® and other v-twin motorcycles that includes engine components, exhaust and fuel systems, engine upgrade kits, and complete engines. Browse the range below!

$969.99

These forged 3-1/2″ bore stroker pistons for 1984-’99 HD® Evolution® big twin engines are required for the S&S 89″ 4-5/8″ stroker flywheels. Pistons are designed to be used with stock cylinder...

$1,386.99

Features & Benefits:- * Use with performance exhaust, air cleaner, S&S 585 bolt-in cams & EFI tune to produce massive horsepower gains. Tech Tips:- * Will Not Fit Twin Cooled Models. ...

$451.99

Features & Benefits:- * Direct Standard size replacment for OEM Plastic Breather gear. * Better dimensional stability than plastic gears, especially at high temperatures. * High Evacuation. * ...

$217.99

Features & Benefits:- * Fits 3-7/8″, 3.927″ & 3.937″ Bore. * Provides an additional .2 bump in compression. * Sold as a Pair. Tech Tips:- * Remember to check your clearances. * Will Not ...

$760.99

Features & Benefits:- * Works well with cams up to .605″ lift. * High Performance conical single wire spring. * Includes Springs. * Includes Top Collars. * Includes Keepers. * Includes Botto...

100ci Big Bore Kit – Black. Fits Big Twin 1999-2006

$3,275.99

Features & Benefits:- * Upgrades Twin Cam 88ci to 100ci. * Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal. * Includes 8.75cc pop up ...

100ci Big Bore Kit – Silver. Fits Big Twin 1999-2006

$3,364.99

Features & Benefits:- * Upgrades Twin Cam 88ci to 100ci. * Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal. * Includes 8.75cc pop up ...

$3,822.99

Note: This S&S 4-1/2″ stroke flywheel assembly when used with 3-7/8″ cylinders creats 106 cubic inch’s 1. Purchase S&S 3-7/8″ piston kit # SS92-1210 & bore your current cylinders Fea...

$3,887.99

Note: This S&S 4-1/2″ stroke flywheel assembly when used with 3-7/8″ cylinders creats 106 cubic inch’s 1. Purchase S&S 3-7/8″ piston kit # SS92-1210 & bore your current cylinders Fea...

107ci Big Bore Kit – Black. Fits Twin Cam 2007-2017.

$2,783.99

Features & Benefits:- * Includes 3cc Dome Forged Pistons. * Includes 0.045″ Head Gaskets. * 3.937″ Bore. * 4-3/8″ Stroke. * 10.5:1 Compression Ratio with Stock 85cc Heads. * 10.1:1 Compressio...

107ci Big Bore Kit – Silver. Fits Twin Cam 2007-2017.

$2,791.99

110ci Big Bore Kit – Black. Fits Twin Cam 2007-2017

$3,274.99

Features & Benefits:- * Upgrades Twin Cam 96ci & 103ci to 110ci. * Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal. * Includes 8....

110ci Big Bore Kit – Silver. Fits Twin Cam 2007-2017

$2,863.99

Features & Benefits:- * Upgrades Twin Cam 96ci & 103ci to 110ci. * Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal. * Includes 8....

110ci Power Pack Kit with 585 Chain Drive Easy Start Camshafts – Black. Fits Big Twin 2007-2017.

$7,305.99

Features & Benefits:- * 4″ Bore Cylinder and piston kit. (No case machining required.) * S&S 585 Easy Start Chain Drive Cams. * TC3 Oil Pump & TC3 Cam Plate. * S&S cam chain tensio...

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$17,180.99

S&S is offering V-Series engines for 1984-’99 big twins without fuel or ignition systems. So if you have already added a performance carburetor or an EFI throttle body and tuner to your stock ...