Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT BBC 427

$661.88

SKU: U00B KB176KTM.070

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Keith Black Hypereutectic piston kit (MPN KB176KTM.070) is designed for high-performance Chevrolet Big Block V8 Mark IV 427 cubic inch engines (1963-2015). It features a low expansion 390 alloy with 16 percent silicon for tighter piston-to-wall running clearance, fully machined head and valve reliefs, and triple spiral lock rings.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB176KTM.070

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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