Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET KB168.STD/1 SET 4125AM8.STD

$613.72

SKU: U00B KB168KTM.STD

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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 Keith Black KB168KTM.STD Hyper Performance Piston Kit is designed for Chevrolet Small Block V8 Gen I 400 cubic inch (6.6 Liter) engines, featuring a 4.125-inch bore, dish head type with 22cc crown, and made from 390 Hypereutectic alloy. It includes wrist pins and spiral locks, but rings must be purchased separately.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB168KTM.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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