This Wiseco Professional Series piston set is forged from 2618 aluminum for Honda R18 engines, including turbocharged builds. Each of the 4 pistons has an 81.00 mm bore and a 28.50 mm compression height with a -10cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco K672M81 Piston Set Features:

• Made for Honda R18 engines
• 81.00 mm bore diameter with a 28.50 mm compression height
• -10cc dish volume
• Forged from 2618 aluminum alloy
• ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
• 0.7874 in. 5115 Steel floating wrist pin included
• Piston rings included: 1 mm top, 1.2 mm second and 3 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