Denso 4 COP Direct Ignition Coils & NGK 4 Iridium IX Spark Plugs Kit - Compatible with Toyota Echo, Prius, Yaris 1.5L L4 1NZFE 1NZFXE DOHC Engine - High Performance Replacement Parts for Smoother Acceleration & Better Fuel Efficiency - Perfect for Daily Commuting & City Driving

Kit Content:4 x Denso COP Direct Ignition Coils4 x NGK Iridium IX 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) IridiumColor: (Direct Ignition Coils) GrayManufacturer Heat Range: (Spark Plugs) 5Seat Type: (Spark Plugs) GasketResistance(Ohms): (Spark Plugs) 5000Ground Electrode Tip Design(Ohms): (Spark Plugs) Taper CutHex Size: (Spark Plugs) 5/8"Pre-Gap Size(in): (Spark Plugs) 0.044Ground Electrode Core Material: (Spark Plugs) Nickel CoreReach(in): (Spark Plugs) 0.75Voltage(VDC): (Direct Ignition Coils) 12Ground Configuration: (Spark Plugs) StandardInsulator Height(mm): (Spark Plugs) 50.5