This product is a set of four compatible GM ignition coil connector wiring pigtail harnesses designed for LS2 and LS7 engines. The coil wires are made of copper wire and plastic with a matte finish, and are approximately 11" in length. These wiring pigtail harnesses are for front placement on the vehicle and are not universal fitment. They are not considered vintage parts or performance parts, and do not include a California Prop 65 Warning. Made in China, these female connectors are essential for the proper functioning of the ignition system in compatible GM vehicles. I ship out FAST!!!!