Genuine ACDelco R44XLS Spark Plug Conventional GM 5613870

Approximate Resistor Value (k ohms) 2-20k ohms
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel Alloy
Ground Configuration Standard
Ground Electrode Tip Design Standard
Hex Size (IN) 13/16
Manufacturer Heat Range 4
Pre-Gap Size (IN) 0.039
Pre-Gap Size (MM) 1
Reach (IN) 0.75
Reach (mm) 19.05
Resistor Type Yes
Seat Type Gasket
Thread Diameter (IN) 0.551
Thread Diameter (MM) 14