AmericanMuscle has all the Mustang Spark Plugs & Spark Plug Wires you need to ensure that your 1999-2004 Mustang is providing you with the best performance, highest gas mileage and cleanest emissions. Providing you with great brand name spark plus from NGK, Ford Motorcraft and Ford Racing, and spark plug wires from MSD and Taylor, you'll be sure to find all the Mustang Spark Plug Wire & Spark Plug necessities for your New Edge Pony right here. You should also be able to easily find some great Mustang Coils & Coil Packs and Mustang Ignition Accessories for your Pony.