Piston Sets - Powersports

S&S Cycle 2017+ M8 Models 4.320in x 4.375in Piston Set

Complete kits include cylinders, pistons, and a head gasket.

S&S 4.425" Bore Forged Piston kit for T143 includes set of pistons, rings, wristpins, and clips.

S&S Cycle 2017+ M8 Models 4.250in Bore 4.840in Big Bore Cylinder Set - Black Granite w/ Highlight

Individual cylinders and cylinder sets without pistons are bored slightly under normal size and are not honed

S&S Cycle 2017 M8 Models 4.250 Bore w/o Highlight Big Bore Cylinder Set

S&S Cycle 2017 M8 Models 4.250 Bore w/ Highlight Big Bore Cylinder Set

S&S Cycle 4-1/8in Bore Rear Cylinder Assembly - Wrinkle Black

S&S Cycle 4-1/8in Bore Front Cylinder Assembly - Wrinkle Black

This 4-1/8" bore wrinkle black cylinder set is 4.763" in length. It is for 111" V-Series engines for 1984-'99 big twins.

This 4-1/8" bore natural cylinder set is 4.763" in length. It is for 111" V-Series engines for 1984-'99 big twins.

This 4-1/8" bore wrinkle black cylinder set is 4.763" in length. It is for 111" motors for 1999-'06 big twins.