Exterior Components Body Panels and Components

United Engine & Machine Co

CHRYSLER HEMI 426 ROD 6.860 80CC 2V KB HYPER PISTON SET

$85.75

SKU: U00B KB210.040

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Description

The United Engine & Machine Co KB210.040 is a piston set designed for high performance. These pistons are constructed from a Cast 390 Hypereutectic Alloy and feature a dome style. They have a bore of 4.290 inches (108.966mm) and a stock stroke of 3.750 inches.

The piston head volume is -80.00cc, contributing to compression ratios of 9.6:1 and 9.2:1 depending on the specific application. The ring grooves measure 5/64 inch, 5/64 inch, and 3/16 inch. The skirt is coated for enhanced durability.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB210.040

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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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