material: aluminum alloy 4032 or 2618 Heat treatment:T6 Fully CNC machining Pin:H13 Bore:86mm,86.25mm,86.5mm,86.75mm,87 88mm Our all forged pistons material are from high grade aluminum alloy 4032 and 2618.Our all forged pistons are precision forging. Include full-skirt forging and slipper forging.Our all forged piston are T6 or T61 heat-treatment.Our all forged pistons are 5-axis CNC-MachiningOur all forged pistons weigh balance +-1g per set

Our all forged pistons are 3D-Design

OPEL C20XE Forged Pistons