Engines and Components Pistons and Piston Rings

JE Pistons

PORSCHE 911 3.2L 100.00MM/10.0:1

$463.62

SKU: J001 381259S

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The JE Pistons 381259S is a high-performance single piston specifically designed for Porsche 911 models equipped with the 3.2L air-cooled engine. This piston boasts a 100.00MM bore and a 10.0:1 compression ratio, making it an excellent choice for engine builders seeking to optimize performance and reliability.

Constructed from premium forged aluminum, the 381259S piston offers superior strength and durability compared to cast pistons. This robust construction is crucial for handling the increased cylinder pressures and temperatures associated with high-performance engine tuning and racing applications.

This particular piston is engineered to deliver precise fitment within the Porsche 911 3.2L engine, ensuring proper ring seal and efficient combustion. The design focuses on maximizing power output while maintaining excellent longevity, making it a valuable component for both street and track-focused builds.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandJE Pistons
Part NumberJ001 381259S

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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