Cylinder & Piston Kit - 80" - Evolution Big Twin - Natural

Cylinder and piston kits contain S&S 3-1/2" bore (80") cylinders and forged pistons, rings, wrist pins, and head and base gaskets. The pistons included are flat-topped forged pistons designed to be used with either stock cylinder heads or with S&S Performance Replacement heads (8.8:1 compression ratio). Made In the U.S.A..