I converted mine about 3 years ago , I got my bolt on kit from Larry's Thunderbird, along with a power brake kit, mine were standard no power before. My mechanic said it was pretty straight forward to put on. When I did this I took off the mags that were on the car and put the original type wheels back on with wide whites and original wheel covers. I ran into a problem with the original wheels that the seller had given me when I bought the car. They were made for drum brakes and wouldn't clear the calipers. Through much frustration and research I found a set of Mustang wheels that cleared the calipers and were 14" to fit the wheel covers. I sold the original rims to Thunderbird Headquarters. I am soooo glad I made the conversion my car stops now when I step on the pedal. Hope this helps.