Free up a few horsepower and reduce weight with a Ford Racing 1979-1993 Mustang A/C eliminator/delete. These eliminators from Trick Flow and Ford Racing replace the factory Fox Body A/C components with a pulley eliminating the A/C compressor and free up those extra ponies. This allows the belt to still retain the proper rotation, but you will have to use a shorter belt to run this configuration. Belt sizes can vary depending on your specific application. Get an off-road accessory drive kit for your Mustang and get underdrive pulleys, A/C eliminator, and a shorter serpentine belt all in one. These kits fit 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, and 1993 Foxbody Mustangs.