Hastings Mfg Moly STD Size Piston Ring - Harley & Indian V-Twin
About Hastings Mfg
Hastings has manufactured piston rings in the United States since 1915, supplying both the automotive and powersports rebuild markets. Rings are one of the few parts where a rebuild genuinely should not be cheapened.
This Hastings Mfg piston ring is a standard-size replacement component for V-twin motorcycle engines. Featuring a three-piece oil ring design, it's crafted to OEM-quality standards, ensuring reliable engine performance.
Why riders pick this
- Moly-coated for enhanced durability and reduced friction
- Three-piece oil ring design for superior oil control
- Made in the USA to exacting standards
- Standard size for direct replacement in stock bores
Manufactured in the USA, this moly-coated piston ring is an excellent choice for maintaining or rebuilding your Harley-Davidson or Indian Motorcycle engine. It's designed to provide proper sealing and reduce friction, contributing to the overall efficiency and longevity of your powerplant.
Engineered for Lasting Performance
- Moly-coated for reduced friction and extended wear life
- Three-piece oil ring design for effective oil control
- Manufactured in the USA for quality assurance
- Standard size for stock V-twin engine applications
Reliable Components for Your Rebuild
When performing an engine rebuild, selecting high-quality piston rings is crucial for optimal compression and oil control. This Hastings Mfg ring delivers the precision and durability needed for a successful engine refresh. Confirm your specific engine's requirements to ensure perfect fitment and performance.
Specifications
- Brand: Hastings Mfg
- Manufacturer Part #: 2M4942
- UPC: 75538001287
- Dimensions: 5 in L × 5 in W × 1 in H
- Weight: 0.24 lbs
Common questions
What size piston ring is this?
This is a STD (standard) size piston ring, designed for V-twin engines with stock bore dimensions. Always verify your engine's ring groove width before ordering.
Is this a complete piston ring set?
No, this is a single three-piece oil ring. A complete piston ring set typically includes both compression rings and oil rings, which are usually purchased separately or as a full kit.
Will this work in a Harley-Davidson or Indian Motorcycle engine?
Yes, Hastings Mfg produces OEM-equivalent piston rings suitable for a wide range of V-twin engines, including those found in Harley-Davidson and Indian Motorcycle models.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Hastings Mfg |
| TYPE | Piston kits & Components |
| SKU | 865-02000 |
| WEIGHT | 0.24 lb |