Exterior Components Body Panels and Components

United Engine & Machine Co

CHEVROLET 400 ROD 5.700 SOLID DOME .5CC 2V KB HYPER PISTON SET

$68.48

SKU: U00B KB127.030

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The United Engine & Machine Co KB127.030 is a set of hypereutectic pistons designed for performance applications. These pistons feature a dome style with two valve reliefs and are constructed from hypereutectic aluminum.

With a 4.155 in. bore and a 3.750 in. stroke, these pistons are engineered to fit tighter than forged types, offering improved oil control and reduced blow-by. The set is sold as a quantity of 8.

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 KB127.030

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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