Autolite Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite Double Platinum Spark Plugs are engineered to provide easier starts quicker acceleration and improved fuel efficiency. Autolite spark plugs are the best alternative to OE spark plugs offering OE form fit and function for all makes and models both foreign and domestic at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.