MSD Ignition 31889 Universal Spark Plug Wire Set Features: Resistance Less Than 50 Ohms/ft.For Superior Spark Extra Hvy Glass Braid; Strong Dielectric Insulator Helically Wound Copper Alloy Conductor 40 Feet Of Conductor Wound In One Foot Of Wire 8.5mm Jacket Protects From High Heat Or Abrasion Silicone And Synthetic Heat Resistant Boot Ferro-Magnetic Impregnated Core Creates EMI Choke Core Made w/DuPont Kevlar To Add Tensile Strength Height: 8.00 Width: 11.00 Length: 3.00 Weight: 2.50 lbs Fitment: 2004/Ford/Mustang/SVT Cobra Coupe 2-Door/4.6L 281Cu. In. V8 GAS DOHC Supercharged::N/ A^^2004/Ford/Mustang/SVT Cobra Convertible 2-Door/4.6L 281Cu. In. V8 GAS DOHC Supercharged::N/ A^^2004/Ford/Mustang/Mach I Coupe 2-Door/4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated::N/ A^^2003/Ford/Mustang/SVT Cobra Coupe 2-Door/4.6L 281Cu. In. V8 GAS DOHC Super...