Exterior Components Body Panels and Components

United Engine & Machine Co

CAST PISTON 2.5L GM/AMC

$72.51

SKU: U00B 1532.040

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Description

CAST PISTON 2.5L GM/AMC

MIA's Description

The Silv-O-Lite 1532 piston is a cast 332 alloy piston designed for engine rebuilding. It features a 4-inch bore diameter and a compression height of 1.57 inches. This piston has a dish-type crown with a volume of +22.5cc and a compression ratio of 8.2.

Designed for GM L4 engines, specifically those manufactured by Pontiac, this piston also includes specifications such as an offset pin configuration, press-type pin, and a shallow oil groove with specific ring sizes. The piston material is cast 332 alloy, and it utilizes a press-type pin configuration.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B 1532.040

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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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