The piston walls are treated with a nonabrasive coating which reduces heat and friction for added horsepower and greatly extends piston life;Made to exact OEM specifications

• WSM Top End Kit (735cc) - 1.00mm Oversize to 83.00mm Bore 010-817-14

WSM Top End Kit (735cc) - 1.00mm Oversize to 83.00mm Bore 010-817-14WSM