ok i am swapping a rear from a 89 rs into my 91 rs the major reason im doing it is for an increace in gear ratio (the 2.73 just aiint cutting it at all) and its already got an eaton posi unit with less than 3000 miles on it but my question is what all will i need to replace and what can i reuse both are 10 bolt rears any help would be great thanx

 

evrything should bolt right up

 

thanx just need to know if i need any new parts got new shox and planning brakes befor i put it in thanx again if you guys think of any thing let me know