Restore proper piston performance with Namura NA-10003-4R piston rings, designed for use with Namura pistons only. This 85.97 mm ring set is manufactured for reliable sealing between the piston and cylinder wall, helping support compression, oil control, and efficient engine operation.
The Namura NA-10003-4R piston rings fit Honda XR400R models from 1996 through 2004, including 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004 applications. Verify the existing piston, bore specification, and engine configuration before installation to ensure proper compatibility.
Manufacturer: Namura. Vendor Part Number: NA-10003-4R. These replacement rings are intended for engine rebuilding or piston service where a compatible Namura piston is being installed. Follow the piston manufacturer’s installation instructions, ring orientation requirements, and recommended break-in procedure for best results.
Features:
- Size: 85.97 mm piston ring set
- Application: Designed for Namura pistons only
- Fitment: 1996–2004 Honda XR400R
- Brand: Namura
- Manufacturer Part Number: NA-10003-4R
- Vendor Part Number: NA-10003-4R
- Function: Supports compression sealing and oil control during engine operation
Fitment:
1996 Honda XR400R
1997 Honda XR400R
1998 Honda XR400R
1999 Honda XR400R
2000 Honda XR400R
2001 Honda XR400R
2002 Honda XR400R
2003 Honda XR400R
2004 Honda XR400R