Namura NA-50070 Piston Kit Standard Bore for Polaris
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The Namura NA-50070 Piston Kit Standard Bore is an application-specific engine component for Polaris Ranger 700 4x4/6x6. It is designed for the verified year, make and model combinations listed below.
Key Features
- Includes piston, rings, wrist pin and circlips for the listed application
- MOS2-coated skirt helps reduce friction, while the machined crown and anodized dome support heat resistance
- Confirm bore size and oversize specification in the fitment notes before ordering
- Fitment detail: Piston diameter: 79.95 mm; Use matching Namura piston and rings; not interchangeable with OEM piston/rings
- Fitment detail: Piston diameter: 79.96 mm; Use matching Namura piston and rings; not interchangeable with OEM piston/rings
- Fitment detail: Piston diameter: 79.95 mm
Manufacturer: Namura
Part Number: NA-50070
Vehicle Fitment
| Year | Make | Model | Fitment Notes |
|---|---|---|---|
| 2005-2009 | Polaris | Ranger 700 4x4/6x6 | Piston diameter: 79.95 mm; Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
| 2002-2004 | Polaris | Sportsman 700 (carbureted) | Piston diameter: 79.96 mm; Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
| 2005-2008 | Polaris | Sportsman 700 EFI | Piston diameter: 79.95 mm |
| 2007-2008 | Polaris | Sportsman 700 X2 EFI | Piston diameter: 79.95 mm; Use matching Namura piston and rings; not interchangeable with OEM piston/rings |
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!
