Cylinder and piston kit can be used to build an 88'' engine, or to replace the cylinders and piston in an engine with an existing S&S stock bore stroker kitIncludes 3-5/8'' bore high tensile cast iron cylinders, forged pistons with rings and wristpins, head gaskets, stainless steel head bolts with washers, base nuts and base gaskets88'', 7.5:1 compressionCan be used in engines with 4-1/4'' flywheelsMade in the U.S.A.Crankcases must be bored to accept the larger 3-5/8'' cylinders and stock flywheel assembly should be rebalanced.