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The Ford Racing 9mm spark plug wire set in red uses a spiral-wound suppression core for low resistance and minimal spark loss, paired with silicone insulation and boots that withstand high temperatures and exposure to fuels and oils. Wires are numbered for cylinder identification, include stainless steel terminals and a coil wire if applicable, and use 45-degree plug boots for common installations.
Ford Racing 9mm Spark Plug Wire Sets - Red
