Exterior Components Body Panels and Components

United Engine & Machine Co

HYP/COATED PISTON 4.6L GM

$75.94

SKU: U00B 3497HC.1.0MM

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Description

The United Engine & Machine Co 3497HC.1.0MM is a set of 8 hypereutectic aluminum pistons. These pistons feature a dome style with no valve reliefs and a stock engine stroke type. The bore size is 94.000mm (3.701 in.).

Key specifications include a compression height of 1.228 in. and a dome height of 0.075 in. The wrist pin style is press-fit or floating with a 0.905 in. pin diameter. Piston ring thickness is 1.20mm x 1.50mm x 2.50mm. These pistons have coated skirts and require shallow rings.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B 3497HC.1.0MM

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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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