Piston is heat-treated with a T-5 hardening and tempering cycle. Piston skirt is coated with 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 replica stroker piston kit. Piston kit includes piston, rings, wrist pin and circlips.
