JE Air

JE Pistons has manufactured air-cooled Porsche pistons for over 30 years now. However, JE recently announced a brand-new line of air-cooled Porsche 4032 forged pistons that are drop-in-ready. Designed specifically for restoration builds, road racing and street use.

Features include:• Forged, 4032 aluminum construction allows for drop-in compatibility with any OEM or aftermarket style barrel• Designed specifically for restoration builds, road racing, and street use• Reduced thermal expansion aids in quieter operation and allows for tighter, factory-spec clearances• 10:1 compression ratio designed to serve original, naturally aspirated builds• Covers 2.0, 2.2, 2.4, 2.7, 3.0, 3.2, and 3.6L applications• Offered in various bore sizes to accommodate a wide range of builds• Accumulator grooves to help reduce pressure below the top ring, reducing ring fluttering and improving ring seal• Contact reduction grooves reduce operating friction and minimize unwanted pressure• Double broach and double forced pin oilers for maximum wrist pin lubrication• Equipped with low-friction skirt coating, reducing wear and operating noise• Every part number includes wrist pins, locks, and JE Pro Seal premium piston rings