Namura NA-50080R Piston Ring Set Standard Bore for Polaris
- 30-Day Returns
- Fast Shipping
- In stock, ready to ship
- Backordered, shipping soon
The Namura NA-50080R Piston Ring Set Standard Bore is an application-specific engine component for Polaris RZR 800 EFI/RZR 800 EFI/EPS. It is designed for the verified year, make and model combinations listed below.
Key Features
- Application-specific ring set designed for the listed piston and bore size
- Compression-ring materials and coatings are selected for wear resistance and sealing
- Confirm piston compatibility and any oversize specification before ordering
- Fitment detail: Use matching Namura piston and rings; not interchangeable with OEM piston/rings
Manufacturer: Namura
Part Number: NA-50080R
Vehicle Fitment
| Year | Make | Model | Fitment Notes |
|---|---|---|---|
| 2008-2010 | Polaris | RZR 800 EFI | |
| 2011-2014 | Polaris | RZR 800 EFI/EPS | |
| 2009-2014 | Polaris | RZR S 800 | |
| 2005-2009 | Polaris | Ranger 700 4x4/6x6 | Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
| 2010 | Polaris | Ranger 800 | |
| 2011-2017 | Polaris | Ranger 800 6x6 | |
| 2011-2014 | Polaris | Ranger 800 EFI | |
| 2010-2014 | Polaris | Ranger RZR 4 800 | |
| 2002-2004 | Polaris | Sportsman 700 (carbureted) | Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
| 2005-2008 | Polaris | Sportsman 700 EFI | |
| 2007-2008 | Polaris | Sportsman 700 X2 EFI | Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
| 2005-2014 | Polaris | Sportsman 800 EFI | |
| 2009-2014 | Polaris | Sportsman 800 EFI 6x6 | |
| 2012-2015 | Polaris | Sportsman 800 EFI 6x6 Forest | |
| 2008-2009 | Polaris | Sportsman Touring 800 EFI | |
| 2007-2009 | Polaris | Sportsman X2 800 EFI |
Fitment note: Match the year, make, model and any listed specifications to your machine before ordering. Professional installation is recommended for internal engine components.
Shipping & Returns
- Most orders process within 1 business day.
- 30-day returns on new, unused items.
Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!
Changed your mind? No problem. Most new, unused, and uninstalled items can be returned within 30 days of delivery.
We do not charge a standard restocking fee. Customers are responsible for return shipping unless the item arrived damaged, defective, or incorrect.
Items must be returned in original packaging and in resalable condition.
We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!
