Exterior Components› Body Panels and Components

United Engine & Machine Co

CHEVROLET 427 ROD 6.135 OC HOLLOW DOME 26CC 1V KB HYPER PISTON SET

$70.06

SKU: U00B KB227.STD

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In Stock
Ships by Jun 14
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Description

The United Engine & Machine KB227.STD is a set of hypereutectic pistons designed for Chevrolet 427 Big Block engines. These pistons feature a dome style with a single valve relief and a standard bore size of 4.250 inches. They are designed to work with a 3.760-inch stroke and a 6.135-inch rod length.

The KB227.STD pistons have a compression height of 1.765 inches and a dome height of 0.250 inches, with a 26cc dish volume. The wrist pin diameter is 0.990 inches, and they support both press-fit and floating wrist pin styles. The ring grooves measure 5/64 inch, 5/64 inch, and 3/16 inch.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB227.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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