Exterior Components› Body Panels and Components
United Engine & Machine Co
SINGLE CAST PISTON 5.7L GM
SKU: U00B S1442.040
Advanced — 4+ hours
Description
This piston has a flat top with -4.00 cc volume and two valve reliefs, making it suitable for truck engines. The material is Cast 332 Alloy, with ring lands measuring 5/64, 5/64, and 3/16 inches. The pin diameter is 0.927 inches, and the second ring material is press fit. This piston is sold individually.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | United Engine & Machine Co |
| Part Number | U00B S1442.040 |
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.
View Full Return Policy