Piston Sets - Powersports

S&S Cycle 1999+ BT 4-1/8in Bore 4.763in Cylinder Set - Wrinkle Black

This 4-1/8" bore cylinder and piston kit replaces the cylinders and pistons on S&S V117 engines for 1984-'99 big twins. The kit contains S&S 4-1/8" bore cylinders and forged pistons, rings, wrist...

This 4-1/8" bore wrinkle black cylinder set is for the 111" T-Series engines. It is 4.763" in length.

This 4-1/8" bore silver cylinder set is for the 111" T-Series engines. It is 4.763" in length.

S&S Cycle 84-99 BT w/ Stock Heads 3-5/8in Bore Cylinder Set - Natural

Hardened steel adapters, in place of stock hydraulic units in 1953-1984 lifters.

These forged 3 5/8" bore stroker piston replaces several cast and forged big bore pistons that S&S® previously offered. Applications for this piston include 88" (4 1/4" stroke), 93" (4 1/2" stroke),...

S&S Cycle 36-84 BT 3-5/8in .791in WP HC Forged Pistons

S&S Cycle 1999+ BT 4-1/2in Stroke 3-7/8in Bore Rear Cylinder Assembly

S&S Cycle 1999+ BT 4-1/2in Stroke 3-7/8in Bore Front Cylinder Assembly

S&S Cycle 2007+ BT 4-1/8in .020in Front Pistons

Fits: 1984-'16 HD® big twins 4 1/8 bore. Stock or S&S® heads. Piston kits include set of pistons, rings, wristpins, and clips.