Exterior Components Body Panels and Components

United Engine & Machine Co

FORD 302 ROD 5.090 FLAT TOP +6.5CC 2V KB HYPER PISTON SET

$72.96

SKU: U00B KB281.030

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Description

The United Engine & Machine Co KB281.030 is a set of 8 hypereutectic aluminum pistons designed for Ford small block Windsor engines. These pistons feature a flat top with two valve reliefs and a bore size of 4.030 inches.

The pistons are made from a 390 aluminum alloy and heat-treated to T6 standards, providing 30 percent greater strength than standard hypereutectics. They are CNC-machined for precise fitment and performance.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB281.030

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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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