Engines and Components› Pistons and Piston Rings

JE Pistons

4.040 SBC FT

$226.10

SKU: J001 181913R

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In Stock
Ships by Jun 7
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Description

The JE Pistons 181913R is a set of flat-top pistons designed for 350 small block engines with 23-degree cylinder heads. These pistons are forged from 2618 aluminum for high tensile strength suitable for high-demand performance applications.

Key specifications include a 4.040-inch bore, 3.500-inch stroke, and a 6.125-inch rod length. The piston style is flat top with two valve reliefs, and they feature a compression height of 1.125 inches. A wrist pin is included, and the wrist pin style is press-fit or floating with retainers. These pistons are sold individually and are not supplied with piston rings.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 181913R

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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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