hay i have an 89 gt mustang and i was just wondering wut i have to get and do to get rear disc brakes

 

where you looking for a kit or make it yourself if you make it your self you will have find and car that 4 lug wheels and rear wheel drive and get the rotors and the back plate caliper and the park brake set up. for staters you have to open the diff. up and take the axils out to take the drum back plate off. after you have done that you will need braket for the caliper then restall the axils and run the parking brake and put the rotor and caliper on.

 

Here is all the info you need to do your upgrade.