JE Piston Porsche 911 3.0L (STD Size) 95mm Bore 70.4mm Stroke 10.5:1 C/R Piston Kit - Set of 6

Porsche air-cooled pistons are machined from forged 2618 alloy for exceptional strength and feature precision CNC machining. They are designed with increased performance in mind and feature valve pockets that accommodate high-lift cams, and multiple available compression ratios. JE, Porsche, Aircooled - 6 Cyl, 3.740 in. Bore, 10.50:1, Dome, 6 Cyl. Piston Kit Porsche 3.0L 911