Exterior Components Body Panels and Components

United Engine & Machine Co

HOLDEN 308 ROD 5.622 FLAT TOP 0CC NO VALVE KB HYPER PISTON SET

$72.99

SKU: U00B KB282.020

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Description

The United Engine & Machine Co KB282.020 is a set of hypereutectic aluminum pistons designed for performance applications. These pistons feature a flat top with no valve reliefs and a 4.020 in. bore size. They are constructed from 390 aluminum alloy, heat-treated to T6 standards for increased strength, and 100 percent CNC-machined.

Key specifications include a 3.062 in. stroke, 5.622 in. rod length, and 1.700 in. compression height. The piston head volume is 0.00cc, and they utilize a press-fit or floating wrist pin style. The piston ring thickness is 5/64 in. x 5/64 in. x 3/16 in. These pistons are sold individually.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB282.020

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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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