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.Pit Stop USA offers Ford Racing 9mm Spark Plug Wire Set - SB Ford 5.0, 5.8L V-8 Engine - Black - 45° Boot M12259-M301 at low everyday prices. Be sure to check out all of our products from Ford Racing including Ford Racing Racing Spark Plug Wires.