FORD 2000-UP ZX3 ZETEC 85MM DOME 10.8:1 - 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.