4 Link or springs

USCG CHARGER said
Is that a 9"? I thought about putting one in mine.

Yeah, it's what I had at the time. I would have preferred an 8 3/4, but I could not find one anywhere. It's a big bearing 9" that has been narrowed, custom axles, detroit locker and 3.89 gears. I have big plans down the road. :D