Engines and Components Pistons and Piston Rings

United Engine & Machine Co

SILVOLITE HYPERCOATED PISTON

$48.64

SKU: U00B 3191HC.020

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Description

The United Engine & Machine Co 3191HC.020 is a piston set designed for 7.5L Mercruiser engines. These pistons feature a flat top with two-valve reliefs and have a -4cc piston head volume. They are manufactured to a .020" oversize.

This set includes pistons with an offset pin configuration and a specified pin number. The oil ring thickness is 0.1875 inches. The product is also identified by the Silvolite brand.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B 3191HC.020

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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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