A simple way to make get more power from your 1979-93 Mustang is to install a set of high performance Mustang spark plug wires. A good set of performance 1979-93 Mustang ignition wires features tough silicone insulation to withstand high temperatures and resists voltage loss for minimum crossfire. Available from Ford Racing, MSD, Taylor wire and Accel in a variety of 8mm, 9mm and even 10.5mm - don't forget to purchase the wire seperators