The Ford Racing 9mm spark plug wire set for 4-valve engines in blue provides a spiral-wound suppression core for low resistance and minimal spark loss, with silicone insulation and long 45-degree boots for high-temperature durability. Numbered for each cylinder and fitted with stainless steel terminals, the set includes a coil wire when required and resists fuels, oils and solvents.
Ford Racing 9mm Spark Plug Wire Sets - Blue