Kit Includes: Nickle carbine coated cylinder designed withwider water jackets, complete piston kit, and a top end gasket set. Cylinder bore: 100mm Stroke: 62.1mm Displacement: 487cc

Increasing the compression is one of the only engine modifications that increases both low end torque and top end power. Whether your cylinder head is bone stock, or ported and ...

Light, but strong cast aluminum alloy (not forged). Heat treated with T-5 hardenin & tempering cycle. Kit includes piston, rings, pin and clips.

Much stronger than stock. Tight tolerances for quiet running. More hours with peak performance between piston changes.