S&S CYCLE 3-5/8" Big Bore Cylinder and Piston Kit 91-9001

3-5/8" Big Bore Cylinder and Piston Kit 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 kit, Includes 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 gaskets, 88", 7.5:1 compression, Can be used in engines with 4-1/4" flywheels, Made in the U.S.A., Crankcases must be bored to accept the larger 3-5/8" cylinders and stock flywheel assembly should be rebalanced.