Description
Piston rings are the critical seal between your pistons and cylinder walls—they control compression, manage oil consumption, and dissipate heat. Mahle’s plasma moly rings deliver the durability and precision needed for high-RPM racing and demanding street applications, while the file-fit design allows you to dial in exact clearances for your specific build. If you’re rebuilding an engine or upgrading to a more robust ring set, this is the specification-grade component that separates reliable power from premature failure.
Technical Specifications:
- Bore Size: 4.155″
- File Fit: 4.160″
- Top Ring: 1.5mm
- Second Ring: 1.5mm
- Oil Ring: 3.0mm
- Material: Plasma Moly
- Application: 8-cylinder
- Fitment: File-fit design
- MPN: 4160MS-15
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