Exterior Components Body Panels and Components

United Engine & Machine Co

CHEVROLET 383 ROD 6.000 FLAT TOP +7CC 2V KB HYPER PISTON SET

$67.95

SKU: U00B KB122.030

In Stock
In Stock
Ships by Jun 15
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Non-Returnable Item
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Description

The United Engine & Machine Co KB122.030 is a set of eight hypereutectic aluminum pistons designed for a 4.030 inch bore. These pistons feature a flat top with two valve reliefs and are intended for stroked engines with a 3.750 inch stroke and 6.000 inch rod length. The pistons are made from 390 aluminum alloy, heat-treated to T6 standards, and offer a +7.00cc piston head volume.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB122.030

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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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