The 63-inch-wide Dynatrac ProRock 60 rearend also houses 5.13 Precision Gear gears and a Detroit Locker. A Dynatrac Explorer disc brake kit with drum emergency brake and e-brake cables from M.O.R.E. was also installed. Rockworx modified the 24-gallon Currie stainless gas tank to work with the ProRock 60 and the increased 98-inch wheelbase of the Jeep. The tank now holds about 22 gallons.