Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT SBC 377

$673.24

SKU: U00B KB194KTD.030

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

Professional / shop required

Description

The KB194KTD.030 is a KB Hyper Performance Piston Kit for custom-built 377 cubic inch Chevrolet Small Block V8 Gen I engines, oversized by .030 inches. Made from 390 Hypereutectic Alloy, these pistons feature a flat top with +7cc crown, a 1.261-inch compression height, and a centered pin design for 6-inch rods. The kit includes rings and is suitable for high-performance applications. It is compatible with engines having a 4.125-inch bore and 3.48-inch stroke, within a year range of 1973-2018.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB194KTD.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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