Upgrade your classic 1974 Cadillac with our high-quality Spark Plug Wire Set, designed specifically for Fleetwood, Seville, DeVille, and El Dorado models without H.E.I. (Dated 1-Q-74). This reproduction set not only ensures optimal performance but also maintains the originality of your vehicle. Say goodbye to the frustration of misfiring and poor engine performance with wires that fit precisely and connect securely to provide reliable ignition every time.