This listing is for a set of 4 Autolite AI3923 Spark Plugs designed for Honda CR-Z models from 2012 to 2016 with a 1.5L engine. The spark plugs are a direct replacement for the original equipment and are suitable for gasoline-powered vehicles. The set is interchangeably compatible with Champion 9008, Autolite XP3923, SKP SP1012, Denso 3476, and NGK 94167 spark plugs. These Autolite spark plugs are quality components designed to maintain optimal engine performance and efficiency.