Description
Precise ring geometry is non-negotiable when you’re building or rebuilding a high-performance engine. This piston ring set delivers the exact compression sealing and blow-by control your 4.060″ bore demands, with file-fit construction that allows you to dial in perfect ring gap clearance for your specific application. Whether you’re assembling a race engine or restoring a stroker build, these rings ensure consistent power delivery and reliable cylinder sealing across the RPM band.
- Bore Size: 4.060″
- Bore Tolerance: +.005″
- Top Ring: 1.0mm
- Second Ring: 1.0mm
- Oil Ring: 2.0mm
- Ring Type: File Fit
- MPN: 4065MS-112
- Material: Premium Steel
- Installation: Professional Honing Required








