Keep your vehicle running reliably and improve ignition performance with Bosch Spark Plugs. Bosch are a household name in Australia and are known for offering reliability, performance and of course value. Add to that the fact that Bosch have been producing spark plugs for over 100 years and you know your purchasing a quality product. The Bosch range of spark plugs are created using an Yttrium-enhanced centre electrode to provide longer life compared to standard copper-core plugs. The tapered v shaped nickel chromium alloy centre electrode not only provides corrosion protection but also improves fuel ignitability for improved performance and economy. Bosch Spark Plugs are designed to match original manufacturer specifications meaning they are a direct fit, making replacement easier than ever before and giving you complete piece of mind.