Engines and Components Pistons and Piston Rings

United Engine & Machine Co

5971 CHRYSLER/DODGE 383/6.3L MOPAR BIG BLOCK B (V8) FLAT TOP SILVOLITE CAST PISTON SET

$48.23

SKU: U00B 1271.040

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Description

The United Engine & Machine Co 1271.040 is a piston designed for Chrysler 383 cubic inch V8 engines. It features a flat top crown and a bore size of 4.290 inches (108mm).

This piston is noted as not being destroked when used in 1971 engines. It is part of the Silvolite line of pistons.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B 1271.040

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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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