Exterior Components› Body Panels and Components

United Engine & Machine Co

FORD 521 ROD 6.700 DCUP +30CC 1V KB HYPER PISTON SET

$76.92

SKU: U00B KB403.060

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Description

The United Engine & Machine Co KB403.060 is a set of pistons designed for performance applications. These hypereutectic aluminum pistons feature a dish with a D-shaped cup, a bore size of 4.420 inches, and a stroke of 4.300 inches. They include a compression height of 1.450 inches and a piston head volume of +30.00cc.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB403.060

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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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