This Wiseco Professional Series piston is forged from 2618 aluminum for BMW N54B30 engines. It has an 85.00 mm bore and a 1.244 in. compression height with a -21.1cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco 6742M85 Piston Features:

• Made for BMW N54B30 engines
• 85.00 mm bore diameter with a 1.244 in. compression height
• -21.1cc dish volume
• Forged from 2618 aluminum alloy
• ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
• 22.00 mm 5115 Steel floating wrist pin included
• Piston rings included: 1.000 mm top, 1.200 mm second and 2.800 mm oil ring
• Fully machined crown with precision ring grooves and an anti-detonation groove
• Forced pin oiling feeds the wrist pin bore
• Sold individually