Exterior Components Body Panels and Components

United Engine & Machine Co

SINGLE CAST PISTON 6.6L GM

$69.04

SKU: U00B S1717.020

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Description

SINGLE CAST PISTON 6.6L GM

MIA's Description

The Silvolite S1717.020 is a cast 332 alloy piston designed for 1959 to 1966 Buick 401 engines. It features a dome crown with a compression height of 1.912 inches and a pin diameter of 1.000 inch.

The piston has ring lands measuring 5/64, 5/64, and 3/16 inches. The notes indicate a dome head height of .370 inches, a compression ratio of 9.8:1, and compatibility with Nailhead engines. This piston is sold individually.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B S1717.020

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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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