Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 4 Stroke Forged Series Piston Kit, 3.875 IN Bore, 9:1 CR
SKU: W00C 4994PS
Advanced — 4+ hours
Description
This piston features a 3.875-inch bore diameter and a 3.8725-inch piston diameter, intended for a 3.750-inch standard bore with a 0.125-inch oversize. It is also specified for 95 cubic inch engines and has a 1546cc displacement.
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 | Wiseco |
| Part Number | W00C 4994PS |
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