Hastings Mfg Cast Piston Ring .030" Oversize - Harley Evolution & Sportster
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.
When your Harley-Davidson engine requires a significant refresh, boring your cylinders is a common solution to bring back lost power and sealing. These Hastings Mfg cast piston rings are precision-engineered for 1340cc Evolution and 1200cc Sportster engines that have been machined to a .030" oversize. Manufactured in the USA, they deliver the quality and precise fitment essential for a robust engine rebuild.
Why riders pick this
- Fits 1340cc Evolution and 1200cc Sportster V-twins
- Designed for .030" oversize bore applications
- Three-piece oil ring for reliable oil control
- Cast construction for durability and consistent performance
- Made in the USA for quality manufacturing
Maintaining proper ring seal is critical for both engine performance and longevity. This Hastings Mfg piston ring set features a reliable three-piece oil ring design, specifically developed to ensure consistent oil control and minimize blow-by in your Harley-Davidson V-twin. Each ring is crafted with attention to detail to provide an optimal seal within the rebored cylinders, ensuring the durability and performance you demand from a high-quality engine component.
Precision for Your Rebuild
- Engineered for 1340cc Evolution and 1200cc Sportster engines
- Designed specifically for .030" oversize cylinder bores
- Three-piece oil ring construction for superior oil control
- Proudly manufactured in the USA for quality assurance
The Foundation of a Strong Top-End
Selecting the correct size piston rings is paramount for a successful engine rebuild. These .030" oversize rings are made to be used with matching oversize pistons in cylinders that have been accurately machined to this larger dimension. Whether you're breathing new life into a Shovelhead-era Evolution or bringing a Sportster back to peak form, Hastings Mfg provides the critical components to ensure your V-twin runs powerfully and reliably. Always double-check your bore size and piston specifications before ordering to guarantee perfect compatibility and optimal engine health.
Specifications
- Brand: Hastings Mfg
- Manufacturer Part #: 6164030
- UPC: 75538112259
- Oversize: .030"
- Weight: 0.24 lbs
- Dimensions: 5 in L × 5 in W × 1 in H
Common questions
What engine does this piston ring fit?
This ring is designed for 1340cc Evolution and 1200cc Sportster engines. Please confirm your engine size before ordering.
Is this ring for a standard or oversize piston?
This is a .030" oversize ring. It is only for cylinders that have been bored .030" larger than stock and used with matching .030" oversize pistons.
Is this a complete set for one piston?
This product is for a single piston ring. For a complete rebuild, you will need to order the appropriate number of rings for your engine.
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 | 865-02012 |
| WEIGHT | 0.24 lb |
