Engines and Components Pistons and Piston Rings

JE Pistons

SC HEAD GASKET- BMW S38B35 - .070

$280.96

SKU: J001 W6637

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Description

The JE Pistons W6637 piston set is designed for high-performance engines, featuring a 3.937-inch bore and 1.250-inch compression height. This set includes six pistons, each with a 0.905-inch pin diameter. Manufactured from 2618 forged aluminum alloy, these pistons are built for demanding applications in motorsports.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 W6637

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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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