| Size | 85.5mm |
|---|---|
| Product Type | Piston Rings |
| Product Group | Engine |
| Piston Diameter | |
| Bore Diameter | |
| Piston Grade | |
| Compression Ratio |
RING VERTEX 85.50mm [Sold Set], 590385500002
The Vertex piston ring is a high-quality replacement component designed for Honda TRX400X and XR400R models. It features a bore size of 85.50mm and is compatible with specific Vertex piston kits.
Features
- High-quality replacement piston ring
- Designed for durability and reliable performance
- Compatible with Vertex piston kits
Specifications
- Bore Size: 85.50mm
- Part Number: 56-R9371.VERTEX
Cross-Reference OEM Part Numbers
- 23162050
- 23162100
Vehicle Fitments
- Honda TRX400X (2012-2014)
- Honda XR400R (1996-2004)
For full information on our delivery and returns policy please click the links below.
Form

![RING VERTEX 85.50mm [Sold Set], 590385500002](https://s3.us-west-2.amazonaws.com/exciting-dubinsky.52-56-113-123/wp-content/uploads/2025/09/26044816/stock91587_2.jpg)
![RING VERTEX 85.50mm [Sold Set], 590385500002 - Image 2](https://s3.us-west-2.amazonaws.com/exciting-dubinsky.52-56-113-123/wp-content/uploads/2025/09/26044810/stock91587_1.jpg)

