I believe the rear kit uses an 11¼" Ford rotor. You can order these cross drilled and slotted. I run this bracket, but slightly modified it for it to fit a Wilwood aluminum metric caliper. Works good or me. No e-brake.

1968 Pro-Touring Dodge Charger
*2011 Optima Ultimate Street Car Challenge Invitee
http://www.popularhotrodding.com/features/1203phr_1968_dodge_charger/index.html