Tune up your Foxbody motor with 5.0 Resto's replacement and performance 1979-1993 Mustang spark plugs. Replace your fouled, damaged, or old plugs to get your pony performing like new again. We carry a variety of spark plug kits to fit your specific application. Pick up an economy tune up kit from LatemodelRestoration.com and get plugs, wires, rotor, and cap to complete your ignition tune up. These plugs fit 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993 Fox Body Mustangs.