Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

CHRYSLER 440 ROD 6.768 STEP HEAD .140 3.5CC 2V KB HYPER PISTON SET

$84.68

SKU: U00B KB184.040

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In Stock
Ships by Jun 15
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Description

The United Engine & Machine Co KB184.040 is a set of hypereutectic pistons designed for Mopar engines. These pistons feature a 4.360 inch bore and come with 5/64 in., 5/64 in., 3/16 in. ring grooves.

The KB184.040 pistons are constructed from a 390 Hypereutectic alloy. They include fully machined crowns and valve reliefs, drilled oil drain backs, and full floating wrist pins with triple wound spiral locks. This set is for the Chrysler 440 engine and has a rod length of 6.768 inches with a pin diameter of 1.094 inches.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB184.040

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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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