S&S CYCLE 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big Twin 91-7660

96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big Twin Kit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore cylinder, 9.75:1 compression ratio pistons, rings and gaskets, Flywheel assembly is complete with S&S heavy duty connecting rods and mainshafts, head gaskets, base gaskets, and exhaust gaskets, Makes stock 80" displacement into 96" displacement, Made In the USA, Does not include manifold, pushrods, or pushrod clips., '77-'89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in '90-'99 engines., Cases must be bored to accept 3.625" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed.