Description
Piston rings are critical to engine sealing, compression, and oil control—worn or improper rings lead to blow-by, power loss, and accelerated wear. The Hastings 2M4985 Twin Cam piston ring set delivers OEM-quality performance with proven materials and design that maintain consistent ring tension across the entire RPM band. Whether you’re rebuilding after a teardown or restoring a high-mileage engine, these rings ensure reliable compression and oil management.
- Cast or moly top ring
- Reverse torsional taper second ring
- Spiral-on three-piece oil rings
- Twin Cam compatible fitment
- OEM-grade construction
- Precision ring gap tolerances
- Harley-Davidson applications
