This Wiseco Professional Series piston is forged from 2618 aluminum for Nissan QR25DE engines. It has an 89.51 mm bore and a 1.2595 in. compression height with a +1.8cc dome. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco 6671M8950 Piston Features:

• Made for Nissan QR25DE engines
• 89.51 mm bore diameter with a 1.2595 in. compression height
• +1.8cc dome 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
• Sold individually