Engines and Components› Pistons and Piston Rings

JE Pistons

LS ASYM DM 4100STRKR

$226.10

SKU: J001 312131L

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Description

The JE Pistons 312131L is a single LS1 series piston designed for high-performance engines. It features a forged aluminum construction for durability and a dome style with two valve reliefs. This piston has a bore of 4.155 inches and a stroke of 4.100 inches, contributing to a 7.3L/444 cubic inch displacement.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 312131L

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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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