Product Description
HASTINGS Piston Rings – 107″ Motor – 3.937″ Standard – M8
Key Features
- Includes top compression rings, second compression rings, and oil control rings
- Top compression rings are Barrel Face
- Coated using PVD (Physical Vapor Deposition) process
- Helps in the the heat transfer process between the piston and cylinder wall
- Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft
- Second compression rings are Napier
- Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring
- Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy
- Oil control rings are Three Piece Flex Vent
- Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore
- Provides uniform pressure through four steel rails and two expanders assuring positive oil control
- Made in the USA
- Includes enough rings for two pistons.
- Two rings per groove, except for the rails that will be two rail rings per one expander ring.
Technical Specifications
- Weight: 0.19 lbs
- Supplier Number: 2C5231
- Unit of Measure: Set
Current Warehouse Inventory
Stock by Location:
- ✓ Janesville, WI: 1 units
- ✓ Batavia, NY: 7 units
- ✓ Dallas, TX: 2 units
- ✗ Fresno, CA: 0 units
- ✗ Reno, NV: 0 units
- ✓ Asheville, NC: 1 units
- ✓ National: 11 units
Total Available: 22 units
Inventory Last Checked: December 4, 2025 at 1:00 AM UTC
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From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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