Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

5809 CHRYSLER 360 ROD 6.123 SOLID DOME 11.2CC 2V ICON PREMIUM FORGED PISTON SET

$113.59

SKU: U00B IC743.030

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Description

The United Engine & Machine IC743.030 is a set of forged pistons designed for Small Block Chrysler engines. These pistons are constructed from a high-ductility 2618 alloy and feature a dome-style top. They are designed with a 4.030-inch bore and a 3.580-inch crankshaft stroke.

The pistons have a dome volume of 11.2cc and offer multiple compression ratio options, including 14.1:1 (at 60cc), 13.0:1 (at 65cc), and 12.1:1 (at 70cc). The connecting rod length is 6.123 inches, and the pin diameter is 0.9842 inches. The ring grooves are sized for 1/16 inch, 1/16 inch, and 3/16 inch rings. These pistons also feature a skirt coating for enhanced durability.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC743.030

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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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