NGK Spark Plug

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

• Special Insulator nose configurations improve throttle response
• Corrugated ribs prevent Flashover
• Pure alumina silicate ceramic Insulator, provides superior strength and better heat transfer
• Copper Core aids in heat removal
• Triple seals prevent leakage

Specifications

• Torque Specs: Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.
• Heat Range: 10
• Longevity: 30k Miles
• Resistor: No
• Shell
  
  • Thread Size: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Tapered
  • Reach: 18mm (.709")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Removable Nut
  • Overall Height: ISO
  • Gap: .020" (0.5mm)
• Center Electrode
  
  • Material: Nickel
  • Type: V-Cut
  • Size: 2.5mm
  • Projection: Projected
• Ground Electrode
  
  • Material: Nickel
  • Type: Standard
  • Quantity: 1