Exterior Components› Body Panels and Components

United Engine & Machine Co

BUICK 455 ROD 6.600 STEP DISH 30CC 2V KB HYPER PISTON SET

$80.47

SKU: U00B KB357.030

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Description

The United Engine & Machine Co KB357.030 is a set of eight hypereutectic aluminum pistons designed for Buick V8 engines. These pistons feature a step head with two valve reliefs and a 4.342-inch bore. The set includes wrist pins and retainers, with a press-fit or floating wrist pin style.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB357.030

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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