Exterior Components› Body Panels and Components

United Engine & Machine Co

PONTIAC 400 ROD 6.663 DOME 10CC KB HYPER PISTON SET

$78.46

SKU: U00B KB422.060

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Description

The United Engine & Machine Co KB422.060 is a piston set designed for performance applications. Made from hypereutectic aluminum, these pistons feature a dome style with two valve reliefs and a -10.00cc piston head volume. They are designed for a 4.180 inch bore and 3.750 inch stroke, with a 6.630 inch rod length.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB422.060

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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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