Exterior Components› Body Panels and Components

United Engine & Machine Co

FORD 408W ROD 6.000 STEP DISH +28CC 2V KB HYPER PISTON SET

$75.15

SKU: U00B KB385.020

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Description

The United Engine & Machine Co KB385.020 is a set of 8 pistons designed for Ford small block Windsor engines with a 5.8L/351 displacement. These hypereutectic aluminum pistons feature a step head design with two valve reliefs and a bore size of 4.020 inches.

The pistons are engineered for a 4.000-inch stroke and have a 6.000-inch rod length. The compression height is 1.490 inches, and the piston head volume is +28.00cc. The wrist pin style is press-fit or floating with a 0.927-inch pin diameter. The piston ring thickness measures 5/64 in. x 5/64 in. x 3/16 in.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB385.020

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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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