Compare Maximum number of 4 items selected Representative Image NGK Racing Plug Number R6252K-105 Spark Plug - 2741 Part #: 2741 Line: NGK NGK Racing Plug Number R6252K-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): 5000 Ohm Insulator Height (mm): 56mm Insulator Height (in): 2.200 Inch Ground Electrode Tip Material: Platinum Thread Reach (mm): 19mm Service Number: R6252K-105 Metallurgy: Platinum Show More Show Less
Compare Maximum number of 4 items selected NGK Racing Spark Plug - 3442 Part #: 3442 Line: NGK NGK Racing Spark Plug 1 Year Limited Warranty Thread Size: M14-1.25 Metallurgy: Copper
Compare Maximum number of 4 items selected NGK Racing Spark Plug - 4457 Part #: 4457 Line: NGK NGK Racing Spark Plug Manufacturer's Defect Warranty Thread Size: M14-1.25 Metallurgy: Iridium/Platinum