Kit Content:
16 x NGK Iridium IX Spark Plugs

Item Description:
Thread Diameter(in): 0.551
Center Electrode Core Material: Copper Core
Ground Electrode Quantity: 1
Center Electrode Tip Material: Iridium
Insulator Height(mm): 50.5
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Reach(mm): 26.5
Manufacturer Heat Range: 5
Seat Type: Gasket
Resistance(Ohms): 5000
Ground Electrode Tip Design(Ohms): Taper Cut
Hex Size: 5/8"
Pre-Gap Size(in): 0.044