Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

5816 FORD 331 ROD 5.400 STEP DISH +12.6CC 2V ICON PREMIUM FORGED PISTON SET

$113.59

SKU: U00B IC725.030

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Description

The United Engine & Machine Co IC725.030 is a set of forged pistons designed for Ford Windsor 331 engines. These pistons feature a step dish crown with a volume of 12.6cc and a bore size of 4.030 inches. They are constructed from a 2618 alloy and include a skirt coating for enhanced performance and durability.

The ring grooves measure 1/16 x 1/16 x 3/16 inches. The compression ratio varies depending on the specific cylinder head volume: 54cc yields a 10.0:1 ratio, 58cc yields a 9.6:1 ratio, and 64cc yields a 9.0:1 ratio.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC725.030

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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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