NGK Racing Competition Spark Plug R7437-9

Specs:

Thread Size:  14mm
Thread Pitch:  1.25mm
Seat Type:  Gasket
Resistor:  Yes
Resistor Value:  5K Ohm
Reach:  26.5mm (1.04")
Hex Size:  5/8" (16mm)
Terminal Type:  Solid
Overall Height:  ISO
Gap:  .028" (0.7mm)
Seat Type:  Gasket
Resistor:  Yes
Resistor Value:  5K Ohm
Reach:  26.5mm (1.04")
Hex Size:  5/8" (16mm)
Terminal Type:  Solid
Overall Height:  ISO
Gap:  .028" (0.7mm)

Torque Specs: 
Cast Iron: 18-25.3 lb. ft.
Aluminum: 18-21.6 lb. ft.
Brand:  NGK
Heat Range:  9