Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

7884 HARLEYDAVIDSON SHOVELHEAD 80CI/1340L OS .030 PISTON SET

$99.43

SKU: U00B KB288.030

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Description

The United Engine & Machine KB288.030 is a piston designed for Shovelhead engines. It is constructed from a high silicon (16%) hypereutectic cast alloy, offering improved wear resistance and heat management.

This piston features a bore size of 3.528 inches and a compression ratio of 7.2:1. It is intended for an 80 cubic inch displacement. The .030 inch oversize specification ensures a precise fit for specific engine builds.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB288.030

Buy with Confidence

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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