Namura Technologies NX-40022-4R Piston Ring - Kit

The Namura Technologies NX-40022-4R piston ring kit provides OEM-quality replacement rings engineered for reliable performance and long-lasting durability in powersports applications. This complete ring set is designed to restore proper compression and oil control in your engine rebuild.

Compression Ring Construction:

• Manufactured from highly ductile cast iron or stainless steel alloy for superior strength
• Chrome, phosphate, or nitride coatings applied to enhance wear resistance
• Engineered to provide an excellent gastight seal for optimal compression
• Precision-machined to OEM specifications for proper ring-to-cylinder wall contact

Oil Ring Assembly:

• Three-piece oil ring design for effective oil control
• Two scraper rails constructed from highly ductile cast iron or stainless steel alloy
• Scraper rails feature chrome, nitride, or phosphate coating for extended service life
• Single stainless steel expander ring maintains consistent tension

Namura Technologies ring kits are precision-manufactured to meet or exceed OEM standards, making them an excellent choice for professional mechanics and DIY enthusiasts performing engine rebuilds. Each ring is engineered to deliver proper sealing, efficient oil control, and long-term reliability in demanding powersports environments.