HASTINGS Piston Rings - 107" Motor - 3.937" Standard - M8 2C5231
Part Number: 09120959Description
OEM-spec piston rings rarely account for the demands of high-performance 107" motors—stock oil control often fails under aggressive riding conditions, leading to blow-by and accelerated wear. These HASTINGS rings address that weakness with increased oil ring tension while maintaining the proven geometry your engine was designed for. You get factory-matched fitment with measurably better ring seal and oil management, all made in the USA.
Technical Specifications:
- Fits 107" Motor
- 3.937" Bore Standard
- Quantity: Two Pistons
- Top Ring: PVD-coated Steel
- Mid Ring: Ductile Iron, Napier Profile
- Oil Ring: Three-piece Design
- Enhanced Oil Ring Tension
- OEM-Matched Geometry
- USA Manufactured
- MPN: 2C5231
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