Compare Maximum number of 4 items selected Representative Image NGK Racing Plug Number R6254K-105 Spark Plug - 4076 Part #: 4076 Line: NGK NGK Racing Plug Number R6254K-105 Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14-1.25 Heat Range: 11 Hex Size (in): 13/16 Inch Preset Gap (in): 0.032 Inch Preset Gap (mm): 0.8mm Thread Reach (in): 0.750 Inch Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 1000 Ohm Insulator Height (mm): 56mm Insulator Height (in): 2.200 Inch Ground Electrode Tip Material: Platinum Thread Reach (mm): 19mm Service Number: R6254K-105 Metallurgy: Platinum Show More Show Less
Compare Maximum number of 4 items selected Representative Image NGK Racing Plug Number R6254E-9 Spark Plug - 5583 Part #: 5583 Line: NGK NGK Racing Plug Number R6254E-9 Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14-1.25 Heat Range: 9 Hex Size (in): 13/16 Inch Preset Gap (in): 0.024 Inch Preset Gap (mm): 0.6mm Thread Reach (in): 0.750 Inch Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 1000 Ohm Insulator Height (mm): 56mm Insulator Height (in): 2.200 Inch Ground Electrode Tip Material: Platinum Thread Reach (mm): 19mm Service Number: R6254E-9 Metallurgy: Platinum Show More Show Less