Designed for 4.6L, 2V Mustang cars these wire-wound blue 9mm custom ignition wire sets feature low resistance for minimum spark loss. The silicone insulation and boots withstand high temperatures and voltage loss for minimum cross-fire and are highly resistant to fuels, oils and solvents. Long-life, tough stainless steel terminals for "post" type distributor caps. Kit includes coil wire for socket-type coil and the cylinder number appears on each wire for easy identification.