Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYPER PISTON/RING SET

$637.64

SKU: U00B KB361KTM.100

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 United Engine & Machine Co. KB361KTM.100 is a KB Hyper Performance Piston Kit designed for Chevrolet Big Block V8 Mark IV engines. This kit includes pistons made from Cast 390 Hypereutectic Alloy, featuring a 4.125-inch bore and a 0.100 oversize. It is compatible with 434 cubic inch (7.1L) engines from 1973-1998 and is suitable for builds utilizing a Chevy 396 block with a 454 crank and Edelbrock 110cc heads.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB361KTM.100

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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