Exterior Components Body Panels and Components

United Engine & Machine Co

SINGLE HYPER PISTON 5.7L GM

$54.60

SKU: U00B S3470H.030

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Description

The United Engine & Machine Co S3470H.030 is a set of pistons designed for specific Chevrolet, GMC, and Cadillac V8 engines. These hypereutectic aluminum pistons feature a dish with four valve reliefs and a 4.030 in. bore.

They are designed for stock stroke applications and have a compression height of 1.540 in. with a piston head volume of +14.50cc. The wrist pin style is press-fit with a 0.927 in. pin diameter, and they utilize piston ring thicknesses of 1.50mm x 1.50mm x 3.00mm.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B S3470H.030

Buy with Confidence

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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