This Wiseco Professional Series piston is forged from 4032 aluminum for Opel CIH, C24NE 2.4L 8V engines. It has a 97.00 mm bore and a 31.50 mm compression height with a -4.9cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco 6658MR97 Piston Features:

• Made for Opel CIH, C24NE 2.4L 8V engines
• 97.00 mm bore diameter with a 31.50 mm compression height
• -4.9cc dish volume
• Forged from 4032 aluminum alloy with a slab side 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: 1.2 mm top, 1.5 mm second and 4.0 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