This Wiseco Professional Series piston set is forged from 2618 aluminum for Mitsubishi Gen II 4G63 2.0L engines, including turbocharged and stroker builds. Each of the 4 pistons has an 85.50 mm bore and a 28.70 mm compression height with a -21cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco K596M855AP Piston Set Features:

• Made for Mitsubishi Gen II 4G63 2.0L engines
• 85.50 mm bore diameter with a 28.70 mm compression height
• -21cc dish volume
• Forged from 2618 aluminum alloy with a full round forging design
• ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
• 0.866 in. 5115 Steel floating wrist pin included
• Piston rings included: 1.0 mm top, 1.2 mm second and 2.8 mm oil ring
• Fully machined crown with precision ring grooves and an anti-detonation groove
• Forced pin oiling feeds the wrist pin bore
• Set of 4 pistons