Front or rear?
Have a dodge challenger what do i do to change drum to disc brakes?
You will need to buy a conversion kit for the vehicle search on line.Depending on what type of set up you want it can run you $1000.00 for parts only and if you are going to race you will be spending more.If you are handy with cars you can do this in a weekend you have to change the spindles master cylinder,etc. Good Luck