Rearend 7.25 junk????

I'm going to go ahead and pick it up don't think I can go wrong for a $100 dollars. I've got a 7.25 under my Barracuda now but non suregrip and 293 gears. This has got 323 gears. I really appreciate everyone here on this forum it's remarkable the knowledge that's here at your finger tips anytime. I may be asking more questions. Thanks to everyone