Engines and Components Pistons and Piston Rings

United Engine & Machine Co

1 SET IC9970.STD/1 SET 4000BD8.005

$825.68

SKU: U00B IC9970KTD.STD

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

Moderate — 2–4 hours

Description

The Icon FHR Piston Kit, MPN: IC9970KTD.STD, is a performance piston kit from United Engine & Machine Co. designed for Ford SB V8 Windsor engines stroked to a 331 cubic inch (5.4L) displacement. It features forged 4032 alloy pistons, an offset pin, and a 1/16th ring pack with round wire lockrings. It has a flat top 4V crown type with a +11cc crown volume and a bore size of 4 inches (101.6 mm). This kit is suitable for modified engines seeking enhanced performance.

Fitment

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B IC9970KTD.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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