Save the $200 towards an 8.8. If you really want a locker get a spartan/aussie for the d30 front axle.
Open diff d35 on 33s I broke spider gears, then ring gear, then cracked carrier. This was babying it too.
2.5/ax5/ 231-300 doubler, Dana 60 front( 4ws springless double arm, tierod behind axle, 4ws springless driver side arm, hydro assist) 14bff , detroit, discs, pinion guard) Warn x8000i w/synthetic line, York OBA, Cage, Flat belly, miniboatside, tube fenders,3 link front w/ 14in Kings,4 link rear with TJ coils and Bilstiens, comp cut, 108WB, H1 Double beadlocks, 39.5 IROKs