Overhaul your 1979-93 Mustang transmission that's grinding or wont go into gear with our Rebuild Kits! Our Mustang T-5 transmission rebuild kit include everything you need to rebuild the small parts on your transmission. Find Ford replacement parts like T-5 tailshaft bushing, T-5 tailshaft seal, and reverse light switches for T-5/T-45 transmissions. Fill your rebuilt transmission with Royal Purple synthetic manual transmission fluid for improved shifting, reduced gear noise and reduced temperatures. These kits & components will fit 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993 Mustangs.