This is the NGK R7438-8 (4905) - Racing Spark Plug / Sparkplug.

NGK Spark Plugs can be found in every racing venue throughout the world. Whether you're a weekend warrior or an accomplished racer NGK Racing Spark Plugs are sparking winners.

NGK is the brand leader in the UK spark plug market and are the world's biggest supplier to many major car manufacturers. Each and every one of their products are designed to meet the most rigorous standards and are the professionals' choice because of their quality and technical excellence. Their plugs can be found in use by teams in F1, WRC and MotoGP. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.

For many years NGK Racing Spark Plugs have been firing racing engines throughout the world. Fine-wire center and ground electrodes provide better sparking and enhanced ignitability. Made to withstand the severe conditions that occur in racing engines they have a zinc dipped shell prevents corrosion while the triple gasket seal eliminates combustion gas leakage. Special configurations are used for the insulator noses to improve throttle response and prevent fouling with corrugated ribs on insulator to prevent flashover. The plug includes a solid copper core for a greater spark.

Please utilize our product recommender to double confirm compatability. Feel free to contact us should you require any assistance!

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number or the last 7 digits of your VIN. Simply enter your car details prior to checkout.

4905