This Wiseco Professional Series piston set is forged from 2618 aluminum for Subaru EJ25 2.5L 16V engines. Each of the 4 pistons has a 100.00 mm bore and a 29.50 mm compression height with a -18cc dish. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco K600M100 Piston Set Features:

• Made for Subaru EJ25 2.5L 16V engines
• 100.00 mm bore diameter with a 29.50 mm compression height
• -18cc dish volume
• Forged from 2618 aluminum alloy with a strutted forging design
• ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
• 0.9055 in. 9310 Steel floating wrist pin included
• Piston rings included: 1.2 mm top, 1.5 mm second and 2.0 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