Engines and Components› Pistons and Piston Rings

JE Pistons

LS ASYM DM 3.90STRKR

$226.10

SKU: J001 324013R

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Description

The JE Pistons 324013R is a single dome piston designed for GM LS Gen III/IV engines. It features an asymmetrical FSR (Forged Side Relief) forging design that maintains a larger skirt on the major thrust side while reducing friction with a smaller skirt on the minor thrust side. This lightweight and durable piston is machined for 1.2mm, 1.5mm, 3.0mm rings and includes accumulator grooves, double pin oilers, and an offset wrist pin.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 324013R

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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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