" . . . uses the rotors and calipers from a '73 to '77 mid-size GM passenger car (Chevell, Tempest, etc...) to convert from Drum Brakes to the Modern Disc brakes . . . "

Michael,

Have you contacted Classic Parts of America? They are helpful people who can most likely quickly and correctly answer your question (even if you do not buy the kit from them). Tell them you are considering their kit but want to be able to spec out the total cost of additional parts.

Tim