Engines and Components› Pistons and Piston Rings
United Engine & Machine Co
HYPER PISTON 5.9L/ 6.4L FORD
SKU: U00B 1131H.020
Advanced — 4+ hours
Description
These pistons feature a flat top with four valve reliefs and are constructed from hypereutectic aluminum alloy for enhanced strength, scuff resistance, and seizure protection. They include press-fit or floating wrist pins and retainers, with a bore size of 4.070 inches and ring grooves sized for 5/64 in., 3/32 in., and 3/16 in. rings.
Fitment
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Specifications
| Brand | United Engine & Machine Co |
| Part Number | U00B 1131H.020 |
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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