Exterior Components› Body Panels and Components

United Engine & Machine Co

7000 CHEVROLET 454 ROD 6.135 OC HOLLOW DOME 26CC 1V KB HYPER PISTON SET

$79.13

SKU: U00B KB207.STD

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Description

The United Engine & Machine Co KB207.STD is a set of pistons designed for Chevy big block Mark IV, Gen V, and Gen VI engines. These hypereutectic aluminum pistons feature a dome style with a single valve relief and a 4.250-inch bore. They are intended for 7.4L/454 engines and are sold as a set of 8.

Their lightweight, rigid-rib skirt design helps stabilize the piston in the bore for a tighter fit.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB207.STD

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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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