A 30 indestructable? Never possible. Ring and pinion are small and the ball joints and knuckles break and the axle tubes are thin. You can put alot of money into them and make them survive with moderate wheeling and 35's. Most use the 30 fronts due to not wanting or being able to do a swap. Keep it open with spider gears or air locker and cross your fingers if you wheel difficult terrain often!
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