Champion CCH415 Copper Plus Small Engine Spark Plug RN9YC

The Champion CCH415 Copper Plus Spark Plug (also known as RN9YC) is a premium small engine spark plug engineered for reliable performance in lawn mowers, chainsaws, trimmers, outboard motors, and other outdoor power equipment. This resistor plug features a copper core center electrode that provides superior heat control and extended service life.

Key Features:

• Copper core center electrode for accurate heat range control and longer plug life
• 14mm thread diameter with 3/4 inch reach and 13/16 inch hex head
• Projected tip design for improved ignitability
• Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
• SAC-9 semiconductor resistor for EMI and RFI suppression
• Gap range: 0.029 to 0.035 inches

Installation Specifications:

• Torque specs for cast iron heads: 26-30 lb-ft
• Torque specs for aluminum heads: 18-22 lb-ft

This application-specific spark plug meets or exceeds all original equipment specifications and is cross-referenced with numerous OEM part numbers including NGK BPR6ES, Denso W20EXRU, and ACDelco R42XLS. Engineered specifically for the repair and maintenance environment, the Champion 415 delivers dependable performance and proven durability for small engines.