Kit Content:1 x NGK DIS Ignition Coils1 x NGK Spark Plug Wire Set4 x NGK Racing Spark PlugsItem Description:Thread Diameter(in): (Spark Plug Wire Set) 0.551Coil Type: (Ignition Coils) DISInsulation Color: (Spark Plug Wire Set) BlueNoise Suppression Type: (Spark Plug Wire Set) YesCenter Electrode Core Material: (Spark Plug Wire Set) Copper CoreUniversal Or Specific Fit: (Spark Plug Wire Set) SpecificGround Electrode Quantity: (Spark Plug Wire Set) 1Center Electrode Tip Material: (Spark Plug Wire Set) Nickel w/ V-grooveGround Electrode Core Material: (Spark Plug Wire Set) Nickel CoreInsulation Outside Diameter(mm): (Spark Plug Wire Set) 7.00Reach(in): (Spark Plug Wire Set) 0.46Core Material: (Spark Plug Wire Set) Mag (Var. Pitch)Ground Configuration: (Spark Plug Wire Set) StandardInsulator Height(mm): (Spark Plug Wire Set) 53.00Pre-Gap Size(in): (Spark Plug Wire Set) 0.020Ignition Type: (Ignition Coils) DistributorlessHex Size: (Spark Plug Wire Set) 5/8"Mounting Bracket Included: (Ignition Coils) YesInsulation Material: (Spark Plug Wire Set) SiliconeManufacturer Heat Range: (Spark Plug Wire Set) 10Seat Type: (Spark Plug Wire Set) TaperedGround Electrode Tip Design(Ohms): (Spark Plug Wire Set) StandardResistance(Ohms): (Spark Plug Wire Set) 1