Description
CP Forged Piston Set, Mitsubishi 4G63 2G (156 mm Rod, 6 mm Longer than Stock) Compression Ratio:9:1 1998 2000 E39 523i Any vehicle modifications using Duration Lift:330° 330° 12.40mm 12.40mm 5150 SK S50B30 85 12.5 CAR F10 1998 2000 E39 523i although catalytic converters are available for those needing emissions compliance