Engines and Components› Pistons and Piston Rings

Forged Internals

JE Pistons Forged Piston Kit, 84.5mm Bore, 10:1 Compression

$1,899.99

SKU: JE-30T-389543

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Ships by Jul 30
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Description

The Forged Internals JE-30T-389543 is a set of six iE Spec JE forged pistons designed for Audi B9 3.0T EA839 engines. These pistons feature a drop-in factory bore sizing, 84.5mm bore, and a 10:1 compression ratio optimized to reduce cylinder pressures safely.

Constructed from 983M forging material, these pistons include JE's tuff-Skirt coating for longevity and massive 22mm wrist pins for high boost pressure reliability. They are engineered with properly placed valve reliefs for smooth combustion.

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Specifications

BrandForged Internals
Part NumberJE-30T-389543
CategoryEngines and Components

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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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