NAMURA NA-10003R Standard Piston Ring for TRX 400EX
- Fits Namura Pistons: NA-10003 for: Honda XR400R 1996-2004, TRX400EX 1999-08, TRX400X 2009-14.
- Namura uses the best materials matching the ring design to its application.
- Often overlooked and unglamorous, they are an essential part of an engine's efficiency and durability.
- The materials used in the manufacturing of piston rings are one of the most critical factors in their performance.
- Meets or exceeds OEM specification, only use with Namura Pistons.