Spark Plug Champion RL87YC - Crown

The Champion RL87YC Spark Plug (also known as part number 327) is a Copper Plus spark plug designed for reliable performance in older automotive and small engine applications. Here's a detailed breakdown of its specifications:

🔧 Technical Specifications:

• Thread Diameter: 14mm
• Thread Pitch: 1.25mm
• Thread Reach: 12.7mm (1/2 inch)
• Seat Type: Gasket
• Hex Size: 13/16 inch (21mm)
• Terminal Type: Removable nut
• Gap: 0.039 inch (1.0mm)
• Center Electrode Material: Nickel alloy with copper core
• Ground Electrode Material: Nickel
• Tip Configuration: Projected
• Resistor Type: SAC9
• Heat Range: 87
• Torque Specs:
  • Cast Iron: 26 30 lb-ft
  • Aluminum: 18 22 lb-ft   

🌟 Features:

• Copper Core: Enhances conductivity and heat control
• Nickel Alloy Electrodes: Provide durability and corrosion resistance
• Applications: Commonly used in vintage vehicles like older Volvo, Citroën, Triumph, and Jeep models