NGK Racing Spark Plug Box of 4 (R6601-10) 4017

Part Number: R6601-10 Resistance: 5000.0 Ground Electrode Tip Design: Surface Discharge Ground Configuration: Surface Discharge Ground Electrode Core Material: Nickel Electrical Terminal Type: Non-Removable Nut Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Pre-Gap Size: .016 Hex Size: 5/8 Insulator Height: 50.50 Manufacturer Heat Range: 10 Seat Type: Flat Reach: .75 Thread Diameter: 14.00