10 bolt rearend
a 10 bolt rearend is as strong as a 12 bolt [ stock ] the ring gear bolts on a 10 bolt are bigger then the 12 bolts, the weak link in a stock 10 bolt are the axles , a good spool and a set of good axles and you will be fine. also a 10 bolt rearend is FASTER THAN ANY OTHER REAREND, by the way the pinion runs on the ring gear.