Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET KB102.030/1 SET 4000BD8.035

$632.48

SKU: U00B KB102KTD.030

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INSTALL DIFFICULTY
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Professional / shop required

Description

This KB Hyper Performance Piston Kit, MPN KB102KTD.030, is designed for Chevrolet Small Block V8 Gen I 383 cubic inch (6.3L) engines. The kit includes one set of KB102.030 pistons and one set of 4000BD8.035 rings. These pistons feature a centered pin and are specifically for engines with a 4.030-inch (101.6mm) bore, representing a .030 oversized application. They are constructed from a durable cast 390 hypereutectic alloy.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB102KTD.030

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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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