Description
Piston rings are the critical seal between your combustion chamber and crankcase—get them wrong, and you’re looking at blow-by, oil consumption, and power loss. Hastings’ Evolution 2M6164020 rings are engineered with a proven combination of materials and profiles to maximize compression, reduce friction, and deliver reliable sealing across the RPM band. Whether you’re rebuilding a high-mileage engine or freshening a performance build, these rings provide the durability and precision fit that serious builders depend on.
- Cast or moly top ring
- Reverse torsional taper second ring
- Spiral-on three-piece oil rings
- MPN: 2M6164020
- OEM-quality construction
- Professional engine rebuilds
- Reliable compression sealing









