VertexWinderosa Forged Big Bore Piston Kit Fits Yamaha - 250 cc Number:337752 optimum tyre construction was designed

optimum tyre construction was designed to achieve the highest level of grip

The 210° electric lens totally eliminates the risk of fogging

Mounts securely to existing location on center floorboard - no drilling required

With a larger stud and meticulously heat treated materials

Streak free finish

VertexWinderosa Forged Big Bore Piston Kit Fits Yamaha - 250 cc Number:337752 optimum tyre construction was designedForged Big Bore Piston All piston skirts are coated with a high tech coating for faster break in time and increased piston life. All pistons are heat treated with a T 5 hardening and tempering cycle. Kits include piston, rings, wrist pin and circlips. Exact fit A, B, C or D pistons match your cylinder bore perfectly to maximize power and performance while reducing blow by and oil consumption