.040 Over Bore Piston Rings for Honda Z50R, XR50R & CRF50F 40mm FITS NAMURA ONLY

.040 Over Bore Piston Rings for Honda

These .040 Over Bore Piston Rings for Honda are specifically designed for Namura pistons to restore proper compression in your engine.

Overview

The .040 Over Bore Piston Rings for Honda serve to seal the combustion chamber and maximize power output. Using these .040 Over Bore Piston Rings for Honda is necessary when an engine cylinder has been bored out to the .040 oversized specification. You must verify compatibility with Namura components before installing these .040 Over Bore Piston Rings for Honda.

Built For Performance

• Precision manufactured for Namura piston specifications
• High-tension rings ensure a proper seal
• Durable material resists high combustion temperatures
• Optimized ring gap for consistent compression
• Essential for engine rebuild and bore maintenance

Fits These Machines

• for Honda Z50R
• for Honda XR50R
• for Honda CRF50F

Specs At A Glance

Good To Know

Q: Are these for stock pistons? A: No, these are for .040 oversized Namura pistons only. Q: Do I need to gap the rings? A: Always check and verify ring end gap based on your specific cylinder bore size before final assembly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.