The G56 transmission case was developed to be lightweight with it's aluminum construction but that opened it up to heat issues while towing, excessive noise, and at the worst cracking under vibrations and stress. Need to get yours replaced? USA Standard Gear's G56 Manual Transmission Case is a perfect replacement designed to not just replace but upgrade your G56. USA Standard Gear updated the design to be thicker and reinforced in critical areas; lessening the chance of cracking and reducing vibrations. If your Ram truck needs an overhaul or even just a minor upgrade, getting this transmission case is one you shouldn't skip!