JE Air-Cooled Porsche Pistons - Engine Builder Magazine

JE Air-Cooled Porsche Pistons

JE's air-cooled Porsche 4032 forged pistons are designed specifically for restoration builds, road racing and street use.

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

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