Piston is heat treated with a T-5 hardening and tempering cycle. 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. Cast OE replacement piston. Kit includes piston, rings, wrist pin and circlips.
