Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

0716 HARLEYDAVIDSON TWIN CAM/96 BIG BORE/ROD 103CI/1.70L OS .040 PISTON SET

$95.93

SKU: U00B KB409C.040

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Description

The United Engine & Machine Co KB409C.040 is a set of hypereutectic aluminum pistons designed for V-Twin engines. These pistons have a bore of 3.915 inches, a stroke of 4.375 inches, and a rod length of 7.667 inches. They are designed to increase displacement from 96 to 103 cubic inches with a 10.0:1 compression ratio and are .040 inches oversize.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB409C.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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