Fits 5.0L/5.8L. 9mm black Ford Racing spark plug wire set with 45-degree boots. Wire-wound Custom Ignition Wire Sets feature low resistance for minimum spark loss. 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. Includes coil wire for socket-type coil and “Ford Racing” identification. Cylinder number appears on each wire. Sold per set.