72 Demon slanty-to-340 Resto
8.25 brake parts swap too. I have heard of people using the jeep grand cherokee rear disc brake stuff off the 8.25 on the 8.75.
I was able to use the 10x2.5 rear drums, backing plates etc off a 74 dart with a 7.25 on an 8.75. The bolted right up.