Description
Piston ring quality directly impacts compression, oil control, and engine longevity—and file-fit rings give you the precision needed for custom bore sizing and optimal gap clearance. MAHLE’s plasma moly construction delivers superior durability under sustained high-RPM loads, making this set ideal for both rebuilt stock engines and naturally aspirated performance builds. If you’re precision-honing your bore and need rings that won’t compromise sealing integrity, this is the specification you’re looking for.
- Bore Size: 4.030 inches
- Top Ring: 1/16 inch
- Second Ring: 1/16 inch
- Oil Ring: 3/16 inch
- Material: Plasma moly
- Tension: Standard
- Design: File-fit
- Application: 8-cylinder engines
- MPN: MAH4035MS
