VertexWinderosa - Cast Big Bore Piston Kit (23630160) Options:Big Bore Kit turn center and out comes

turn center and out comes the cam seal

Mounted on the handlebar internal thread and the bar end

Custom SS wheel cap

Non-slip stand surface

VertexWinderosa - Cast Big Bore Piston Kit (23630160) Options:Big Bore Kit turn center and out comesCast 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