I'm looking for just the ring & pinion for a 489 case 8-3/4" rear end for a 2.76 gear ratio. I believe what I need is the 29-spline (?- not the 10 spline pinion yoke) set of gears. I already have a sure-grip 489 case with 3.55's I'm looking to sway out the gears in.
Also, if you have a 2.76...