Kit Content:8 x NGK COP Ignition Coils8 x NGK Ruthenium HX Spark PlugsItem Description:Hex Size(in): (Spark Plugs) 5/8Pre-Gap Size(in): (Spark Plugs) .044Ignition Type: (Ignition Coils) DistributorlessResistance(Ohms): (Spark Plugs) 5000Manufacturer Heat Range: (Spark Plugs) 6Seat Type: (Spark Plugs) TaperedGround Electrode Tip Design: (Spark Plugs) Dual Fine Electrode - High IgnitabilityMounting Bracket Included: (Ignition Coils) NoReach(mm): (Spark Plugs) 25.00Ground Electrode Core Material: (Spark Plugs) NickelInsulator Height(mm): (Spark Plugs) 52.50Ground Configuration: (Spark Plugs) StandardGround Electrode Quantity: (Spark Plugs) 1Center Electrode Tip Material: (Spark Plugs) RutheniumElectrical Terminal Type: (Spark Plugs) Non-Removable NutCoil Type: (Ignition Coils) COP (Pencil Type)Center Electrode Core Material: (Spark Plugs) CopperThread Diameter(mm): (Spark Plugs) 14.00