Exterior Components Body Panels and Components

United Engine & Machine Co

FORD 390FE ROD 6.490 STEP DISH +20CC 2V KB HYPER PISTON SET

$73.78

SKU: U00B KB150.030

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Description

The United Engine & Machine Co KB150.030 is a set of eight pistons designed for Ford FE-Series engines. These hypereutectic aluminum pistons feature a 4.080-inch bore and a 3.780-inch stock stroke.

The pistons have a step head design with two valve reliefs and a compression height of 1.780 inches. Each piston also includes a wrist pin and retainers, with a pin diameter of 0.975 inches and a press-fit or floating style.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB150.030

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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