Exterior Components› Body Panels and Components
United Engine & Machine Co
SINGLE SILVOLITE HYPERCOATED PISTON 4.2L GM (L6) 200205
SKU: U00B S3496HC.STD
Advanced — 4+ hours
Description
This piston features a dome style with no valve reliefs and is constructed from hypereutectic aluminum alloy for increased strength and resistance to scuffing and seizure. It has a bore of 93.750mm (3.691 in.) and utilizes piston ring grooves of 1.2mm, 1.5mm, and 2.5mm. The compression height is 1.101 inches, and the dome height is 0.095 inches.
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 S3496HC.STD |
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