I got my 4.10s go to put them in and my dad says there for the wrong carrier. How can i tell if they gave me a set for a 2.73 carrier. My car had 3.23 from the factory. All though the ring rears are the same size and bolt pattern

my dad said the ring gear is to far from the pinnion. It needs to go to the right. He said sometime they give u like a spcaer to move the ring gear over a lil

sry for posting under lt1 tech first... i realized this whould be a beter place for it