Please tell me what parts interchange between the 2.45/2.25 vice 2.71->up 8 1/4 axle

Notanova73 said
Damn phone so aslong as it’s 3 series good? And it’s only 165 for Richmond excel 4:10 ring and pinion without install kit because the years are saying 76 newer

The 4.10 is a 4 series, but the 4 series gears work with the 3 series carrier. There's only the one split with the carrier.