This product has been discontinued

NGK Racing Plug 7400 - R0045J-10


  • Manufacturer: NGK



NGK 7400 R0045J-10 Racing Plug

NGK's Racing Series Plugs are Engineered to Withstand the Harshest Engine Conditions.


  • Lowers ignition system voltage requirements
  • Greater ignitability and performance over conventional spark plugs
  • Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties
  • Increased fuel economy and lower emissions
  • Highly durable against electrical and chemical wear
  • Good performance spark plug


  • Plug Gap: 0.040
  • Reach: 19mm (3/4")
  • Terminal Type: M4 Thread
  • Diameter: 10mm
  • Seal Type: Gasket Seat
  • Electrode Material: Standard Nickel
  • Projection Type: Non Projected
  • Pack Size: 1 Single Unit
  • Resistor: No
  • Tip Configuration: Surface Gap
  • Hex Spanner Size: 16mm (5/8")

Manufacturer Part Number: R0045J-10
Manufacturer Stock Number: 7400