8.75 question
Yes, I have a 71 Duster rear in my '65 Valiant, you will need the 8.75 or 8.25 shock plates & U bolts because the 7.25 has 2.5" axle tubes and the 8.75 has 3" axle tubes. Other than that bolts right in.
One other thing you will have to shorten your driveline 2.25" going from a 7.25 to a 8.75
Chuck