Piston Cr125R Race 22996BPiston Kit Cast Race for 2 StrokeThe piston is heat treated with a T 5 hardening and tempering cycle The piston skirt is coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Gravity cast aluminum alloy (not forged) with 18% silicone content Unique cast GP style race piston with only one compression ring Piston kit includes piston, ring, wrist pin and circlips Kit Includes: Cast Race Piston 1x