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Rear Rockwell Axle

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More changes came in the rear, where the GM 14-bolt axle was also ditched for a Rockwell 2 1/2-ton. Just as it is in the front, the rear Rockwell has 2-inch shafts, 6.72 gears, and a DIY4X Rockwell skid, although an Ouverson spool is used for locker duties. Gray also swapped out the previous air shocks and is using F-O-A coilovers and air bumps in their place. To help control the rear suspension, a Warn 3.0 ATV winch has also been added and pinion brakes slow the whole thing down on demand.