Namura Technologies NX-40011-4R Piston Ring - Set

The Namura Technologies NX-40011-4R is a precision-engineered piston ring set designed to deliver OEM-quality performance and reliability for powersport and small engine applications. Each ring set is sold individually for one piston, making it ideal for engine rebuilds, repairs, or performance upgrades.

Key Features:

• Constructed from highly ductile cast iron or stainless steel alloy for excellent wear resistance and gastight seal
• Advanced surface coatings including chrome, phosphate, or nitride finishes to meet demanding operating conditions
• Precision-machined to Japanese specifications for optimal fit and performance
• Designed specifically for application with proper cylinder sleeve compatibility
• OEM-quality construction at an affordable price point

Technical Construction:

• Compression rings feature durable material composition for long-lasting seal integrity
• Oil control rings include three-piece design with two scraper rails and expansion ring
• Surface treatments optimized for heat resistance and friction reduction
• Pre-gapped for easier installation and proper sealing

Namura Technologies has been engineering high-performance engine components since 2001, using innovative designs and modern manufacturing techniques in ISO-certified facilities. These piston rings are designed to synchronize perfectly with Namura pistons or serve as direct OEM replacements, providing the quality and durability your engine demands.