Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET KB112.030/1 SET 4000BM8.

$474.42

SKU: U00B KB6112KTM.030

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The KB Performance Hyper Piston and Ring Kit (MPN: KB6112KTM.030) features hypereutectic aluminum pistons with a 4.030 inch bore and 3.480 inch stroke, designed for GM V6 engines. The kit includes 6 flat-top pistons with two valve reliefs, a +7.00cc piston head volume, and accompanying piston rings with moly-coated top rings. Wrist pins and retainers are also included, suitable for press-fit or floating applications.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB6112KTM.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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