Engines and Components Pistons and Piston Rings

JE Pistons

SUBARU WRX EJ20 STROKER 1.181CH

$851.96

SKU: J001 K579M925

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

Professional / shop required

Description

Professional series forged racing piston set for Subaru EJ20 stroker engines (pre-October 1998, for sleeved blocks without access holes, with rear thrust and DOHC crank). Engineered, forged, and machined in the USA from 2618 aluminum for superior tensile strength. Features ArmorGlide skirt coating for seizure resistance, friction reduction, and quieter operation. Includes fully machined crowns, precision ring grooves, anti-detonation grooves, forced pin oiling, and performance piston rings.

Fitment

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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 K579M925

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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