Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

SINGLE CAST PISTON 3.3L FORD

$83.11

SKU: U00B S1000.090

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

Easy — 1–2 hours

Description

The United Engine & Machine Co. S1000.090 piston is a cast, flat-top piston designed for the Ford Model A Flathead engine. It features a bore of 3.965 inches and has ring grooves measuring 1/8 inch for the top two rings and 5/32 inch for the oil ring.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandUnited Engine & Machine Co
Part NumberU00B S1000.090

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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