Engines and Components Pistons and Piston Rings

JE Pistons

400 SBC FLAT TOP -5C

$173.33

SKU: J001 138099S

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
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Description

The JE Pistons 138099S is a forged piston designed for 6.6L/405 engine displacement applications. It features a flat top design with two valve reliefs and a +5.00cc piston head volume. The piston is constructed from 4032 aluminum alloy and has a 4.145 inch bore with a 3.750 inch stroke and 5.700 inch rod length. The compression height is 1.425 inches.

Fitment

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Specifications

BrandJE Pistons
Part NumberJ001 138099S

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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