HTP XMAS Bash 2025 ~ Expressions of Interest ~ CLICK HERE TO ENTER

NGK R5671A Racing Spark Plug, M14 x 1.25, Heat Range 7, 8, 9, 10, 11
NGK R5671A Racing Spark Plug, M14 x 1.25, Heat Range 7, 8, 9, 10, 11

NGK R5671A Racing Spark Plug, M14 x 1.25, Heat Range 7, 8, 9, 10, 11

Regular price
$16.50
Sale price
$16.50
Tax included.

NGK R5671A Racing Plugs

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.

Shell

  • Thread Diameter: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Gasket
  • Reach: 19mm (3/4")
  • Hex Size: 5/8" (16mm)
  • Terminal Type: Solid
  • Overall Height: ISO

Centre Electrode

  • Material: Nickel
  • Type: V-Cut
  • Size: 2.5mm
  • Projection: Non-Projected

Ground Electrode

  • Material: Nickel
  • Type: Standard
  • Quantity: 1

Specifications

  • Resistor: No
  • Resistor Value: 1K Ohm
  • Heat Range: 7, 8, 9, 10, 11
  • Features: Copper gasket
  • Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminium: 18-21.6 lb. ft.

Part Information

  • Brand: NGK/NTK

    R5671A-7 NGK 4091, R5671A-8 NGK 4554, R5671A-9 NGK 5238, R5671A-10 NGK 5820, R5671A-11 NGK 6596