S&S CYCLE Sidewinder Kit - Natural NO MANIFOLD/PUSHRODS INCL 91-7660

Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed. 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines.