Engines and Components› Pistons and Piston Rings

JE Pistons

4.070 3mm RAIL

$20.37

SKU: J001 R4070-3.0

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Description

It features an asymmetrical Forged Side Relief (FSR) design with a larger skirt on the major thrust side and a smaller, friction-reducing skirt on the minor thrust side. This set is precision CNC machined from 2618 aluminum for high-strength, lightweight, and durable performance.

This set includes accumulator grooves, double pin oilers, and an offset wrist pin. It is sold as a set of 8 pistons and is intended for use with 15-degree cylinder heads. For applications exceeding 800hp, a thicker wall wrist pin is recommended.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 R4070-3.0

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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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