Set of 4 Genuine NGK 6263 Nickel Spark Plugs CR9E Threaded Tip

Shell

-Thread Diameter: 10mm
-Thread Pitch:1.0mm
-Seat Type: Gasket
-Reach: 19mm (3/4")
-Hex Size: 5/8" (16mm)
-Terminal Type: Threaded Stud
-Overall Height: ISO
-Gap: .031" (0.8mm)

Center Electrode
-Material: Nickel
-Type: Standard
-Size: 2.5mm
-Projection: Non-Projected

Ground Electrode
-Material: Nickel
-Type: Standard

Specifications
-Resistor: Yes
-Resistor Value: 5k Ohm
-Heat Range: 9
-Torque Specs: Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.