JE Pistons are manufactured using 2618 forged low silicon
aluminum alloy. JE designs are specifically engineered for extreme
applications up to, and including, professional competition. Dome and dishes requires no deburring or preparation and features smooth flowing radii for excellent flame travel. Forced Pin Oilers are standard on all JE Pistons for increased wrist pin lubrication. Online purchases include set of 4 pistons, JE Pro Seal ring set, pin fitting, wrist pins, rail spacers, and locks.