You have a 8.8” rear end. 8.8 is the size of the big gear inside of the center section of the rear end.
Google ‘North Racecars’ website and they have a complete 8.8 Cobra kit to mount brakes
Everything nuts, bolts, hoses and emergency brake cables.
Master cylinder selection is important and Richard will make sure you get the right one.
If you are going front coil over Heidts is what we are checking out
The front complete kit that you get from Heidts will have Willwood brakes
Summit and Speedway have Mustang II disc conversation kits if you are just doing brakes up front
The kits replace the stock 9 1/2” rotors with 11” GM rotors and calipers
Here’s a photo of the 11” GM brakes with an RCC coil over suspension
