Kit Content:
4 x NGK Ruthenium HX High Ignitability Spark Plugs

Item Description:
Hex Size(in): 5/8
Pre-Gap Size(in): .044
Manufacturer Heat Range: 7
Ground Electrode Tip Design: Dual Fine Electrode - High Ignitability
Seat Type: Flat
Resistance(Ohms): 5000
Insulator Height(mm): 51.00
Ground Configuration: Standard
Reach(mm): 26.5
Ground Electrode Core Material: Nickel
Electrical Terminal Type: Non-Removable Nut
Ground Electrode Quantity: 1
Center Electrode Tip Material: Ruthenium
Center Electrode Core Material: Copper
Thread Diameter(mm): 12.00