The U Part Ngk Spark Plug Bp6 Esx4 Is A Top Quality Spark Plug Designed To Enhance The Performance And Efficiency Of Your Vehicles Engine. As An Essential Part Of The Ignition System; This Spark Plug Generates A Strong Spark That Ignites The Air Fuel Mixture In The Engine Cylinders; Ensuring Smooth And Consistent Combustion. Top Quality For Use With Internal Combustion Petrol Engines. Prepacked