Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

1 SET KB366.STD/1 SET 4000BM8.STD

$581.32

SKU: U00B KB366KTM.STD

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

Professional / shop required

Description

The KB366KTM.STD piston kit is a set of 8 hypereutectic pistons designed for Ford SB V8 Windsor 347 cubic inch engines with a 4.000-inch bore, 3.400-inch stroke, and 5.400-inch rod length. These pistons feature a 16cc dish head with 2 valve reliefs, an accumulator groove, and diamond-finished skirts, suitable for high-performance applications.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B KB366KTM.STD

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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