Spark Plug Champion RJ12YC - Crown

The Champion RJ12YC Spark Plug (part number 14) is a Copper Plus spark plug designed for reliable performance in automotive, marine, and small-engine applications. Here are the detailed specifications:

🔧 Technical Specifications:

• Thread Size: 14mm
• Thread Reach: 0.375 inch (9.5mm)
• Hex Size: 13/16 inch (20.65mm)
• Seat Type: Gasket
• Heat Range: 12
• Gap: 0.035 inch (0.9mm)
• Center Electrode Material: Nickel with copper core
• Ground Electrode Material: Nickel
• Resistor: Yes
• Terminal Type: Non-removable nut
• Number of Ground Electrodes: 1
• Design: Standard copper core for improved conductivity and heat control   

🌟 Features:

• Durability: Built to ISO and SAE standards
• Corrosion Resistance: Superior protection in harsh environments
• Applications: Widely used in cars, boats, lawn equipment, and generators