SET OF 8 AUTOLITE SPARK PLUGS TO SUIT HSV GTS VF LSA SUPERCHARGED 6.2L V8Inspired and used within NASCAR, these premium Double Platinum and Iridium spark plugs are for the enthusiasts with high performance applications in mind. The new Autolite plugs ignite more gas and air mixture inside the cylinders to deliver better overall performance. The ignition is also more focused, which provides better and faster fuel combustion, optimizing the vehicles spark plug performance. Contents: 8 X Autolite Spark plug Vehicle Fitment