Hastings Mfg Moly Piston Ring .020" Oversize - Harley Evolution & Sportster XL
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 moly piston ring is specifically engineered for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .020" oversize. Made in the USA, it features a robust three-piece oil ring design to ensure excellent oil control and consistent compression, crucial for a high-performing V-twin.
Why riders pick this
- Moly-coated for reduced friction and extended life
- Three-piece oil ring for superior oil control
- .020" oversize for rebored Evolution and Sportster XL cylinders
- Made in the USA for quality and reliability
When undertaking an engine rebuild, selecting the correct piston rings is paramount for restoring performance and ensuring long-term reliability. This Hastings Mfg ring is precisely sized for cylinders that have been machined .020" larger than the original factory specification, making it perfect for your overbored Evolution or Sportster XL motor. The moly-coated construction provides a durable surface that minimizes friction and enhances the seal within the cylinder.
Precision Engineering for Rebuilt Engines
- Moly face coating reduces friction and extends ring life
- Three-piece oil ring design ensures optimal oil control and sealing
- Engineered for .020" oversize applications on Evolution and Sportster XL engines
- Proudly made in the USA for dependable quality
Essential for Overbored V-Twins
For riders running a 1340cc Evolution or 1200cc Sportster XL with cylinders bored .020" oversize, this piston ring is a critical component for achieving proper compression and oil management. Its design helps prevent blow-by and maintain consistent power delivery. Ensure your engine's bores are accurately measured before installation to guarantee a perfect fit and peak performance.
Specifications
- Brand: Hastings Mfg
- Manufacturer Part #: 2M6164020
- UPC: 75538112365
- Size: 0.020" oversize
- Engine: 1340cc Evolution / 1200XL Sportster
- Length: 5 in
- Width: 5 in
- Height: 1 in
- Weight: 0.24 lbs
- Country of Origin: USA
Common questions
What engines does this piston ring fit?
This ring is specifically for 1340cc Evolution and 1200cc Sportster XL engines that have been bored .020" oversize. It will not fit standard bore cylinders.
Is this a complete set of rings?
No, this is a single piston ring. You will need to order the quantity required for your specific engine application.
Can I use this ring in a standard bore engine?
No, this is a .020" oversize ring. It is designed only for cylinders that have been machined .020" larger than stock. Installing it in a standard bore would result in incorrect fitment.
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 | 865-02006 |
| WEIGHT | 0.24 lb |
