Engines and Components Pistons and Piston Rings

United Engine & Machine Co

1 SET KB101.STD/1 SET 4000BM8.STD

$597.56

SKU: U00B KB101KTM.STD

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Keith Black Hypereutectic KB101KTM.STD Piston Kit is designed for high-performance applications including marine, drag racing, circle track, street, or towing. These pistons are manufactured from a low-expansion 390 alloy, containing 16% silicon, which enables tighter piston-to-wall running clearances for enhanced performance and durability. This kit is suitable for Chevrolet Small Block 350 CID engines.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB101KTM.STD

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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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