Exterior Components› Body Panels and Components
United Engine & Machine Co
SINGLE HYPER PISTON 5.7L GM
SKU: U00B S1749H.030
Advanced — 4+ hours
Description
This piston features a dish style with no valve reliefs and a 3.830 in. bore. It is constructed from a high-silicon aluminum alloy for increased strength, scuff resistance, and seizure resistance. The piston has reinforced top lands and a proprietary diamond-finished skirt process.
Fitment
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Specifications
| Brand | United Engine & Machine Co |
| Part Number | U00B S1749H.030 |
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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