Front Disc Brakes

The 11.75" rotors were available on the late 1970s Cordobas and the like.

15" wheels will be required, but moving to the larger bolt circle (from 4" to 4.5") also requires the 15" wheel move.

Moving to the larger bolt pattern (4.5" circle) has a lot of benefits, including larger rotors, larger ball joints, and wheel choices far more extensive than the 4" bolt circle(small bolt pattern that was A body factory standard from 1964 - 1972, and even showed up on some '73-74 A-bodies with drum brakes!).

Hope this helps.

Check out MoparAction magazine website for info. on the large bolt circle upgrade.