Engines and Components Pistons and Piston Rings

United Engine & Machine Co

86C HARLEYDAVIDSON SPORTSTER EVO 1200 74CI/1200L OS STD PISTON SET

$121.12

SKU: U00B KB935C.STD

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Description

The United Engine & Machine Co KB935C.STD is a V-twin piston kit designed for high-performance Harley-Davidson builds. Constructed from forged 4032 alloy, these pistons feature a flat top design with a +1cc volume.

This piston kit offers an 11.0:1 compression ratio with a 1200 head at 69cc. The bore is 3.498 inches and the stroke is 3.812 inches, with a compression height of 1.208 inches.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB935C.STD

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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