96" 3 5/8" Sidewinder® Big Bore Cylinder and Piston Kit for S&S V96 Engines and 1984-'99 HD® Big Twins with S&S Super Stock® Cylinder Heads -Wrinkle Black FinishThis 3 5 8" big bore kit may be used to replace the cylinders and pistons of an S&S V96 engine or a stock HD Evolution big twin engine that has been upgraded with an S&S 96" Hot Set Up Kit with S&S Super Stock cylinder heads. This kit may also be used to upgrade an engine with an S&S 89" stock bore stroker kit to 96". Stock crankcases must be bored to accomodate the 3 5 8" bore cylinders, but the 4 5 8" stroker flywheel assembly does not need to be