Compare Denso Iridium TT Spark Plug - 4709 Part #: 4709 Line: DEN Denso Iridium TT Spark Plug 1 Year Limited Warranty Seat: Gasket Thread Size: M14 Heat Range: 20 Hex Size (mm): 21mm Preset Gap (mm): 1mm Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Approximate Resistor Value (Ohm): 5000 Ohm Thread Reach (mm): 19mm Metallurgy: Iridium/Platinum Show More Show Less
Compare Denso Iridium Power Spark Plug - 5306 Part #: 5306 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): 1.1mm Center Electrode Core Material: Copper Center Electrode Tip Material: Iridium Approximate Resistor Value (Ohm): 5000 Ohm Thread Reach (mm): 19mm Metallurgy: Iridium Show More Show Less
Compare Denso Copper Spark Plug - 3066 Part #: 3066 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): 0.8mm Center Electrode Core Material: Copper Center Electrode Tip Material: Nickel Approximate Resistor Value (Ohm): 5000 Ohm Ground Electrode Tip Material: Nickel Thread Reach (mm): 19mm Metallurgy: Copper Show More Show Less