Kit Content:6 x Hitachi Ignition Coils6 x NGK Laser Iridium Spark PlugsItem Description:Thread Diameter(in): (Spark Plugs) 0.551Center Electrode Core Material: (Spark Plugs) Copper CoreGround Electrode Quantity: (Spark Plugs) 1Center Electrode Tip Material: (Spark Plugs) IridiumHex Size: (Spark Plugs) 5/8"Pre-Gap Size(in): (Spark Plugs) 0.044Manufacturer Heat Range: (Spark Plugs) 6Seat Type: (Spark Plugs) GasketResistance(Ohms): (Spark Plugs) 5000Ground Electrode Tip Design(Ohms): (Spark Plugs) StandardInsulator Height(mm): (Spark Plugs) 50.5Ground Configuration: (Spark Plugs) StandardGround Electrode Core Material: (Spark Plugs) Nickel CoreReach(mm): (Spark Plugs) 26.5
