With the disassembly under way it was time to head down to Huntington Beach, California, to see what Dynatrac Axles had in store. Once again, Dynatrac agreed to build an ultimate axle for our Ultimate Avalanche, but this year we went a step further. In addition to one of its super high-clearance Pro Rock 60 high-pinion front axles, we also brought home a standard-rotation rear Dana 60. Now, you may ask why we pulled a perfectly good 14-bolt with disc brakes to swap in a 60. For the answer, you'll have to keep reading.