Compare Denso Iridium Power Spark Plug - 5378 Part #: 5378 Line: DEN Denso Iridium Power Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 20 Hex Size (mm): 21mm Preset Gap (mm): 0.8mm Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Approximate Resistor Value (Ohm): 5000 Ohm Thread Reach (mm): 13mm Metallurgy: Iridium Show More Show Less
Compare Denso Copper Spark Plug - 3068 Part #: 3068 Line: DEN Denso Copper Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 20 Hex Size (mm): 21mm Preset Gap (mm): 0.7mm Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Thread Reach (mm): 13mm Metallurgy: Copper Show More Show Less
Compare Denso Copper Spark Plug - 3073 Part #: 3073 Line: DEN Denso Copper Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 20 Hex Size (mm): 21mm Preset Gap (mm): 0.7mm Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Ground Electrode Tip Material: Nickel Thread Reach (mm): 13mm Metallurgy: Copper Show More Show Less