PISTON KIT MX 85 23666A

Cast OE replacement piston Kit includes piston, rings, wrist pin and circlips Gravity-cast aluminum alloy (not forged) with 18% silicone content Piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life Piston is heat treated with a T-5 hardening and tempering cycle