I have a 8.25 with the 4.5 big bolt pattern 3.23 suregrip out of my 74 dart sport the rearend is original to my car and my car has 41000 original miles it is hub to hub with backing plates new spring kit. New shoes new wheel cylinders rotors where cut pictures can be sent tomorrow because I'm not home comes with the pinion snubber also 1350.00 plus shipping