1 Ton rear differential assembly - (Bonifay in Dothan, AL

This is a 1 ton SRW differential assembly. It came out of a 1988 GMC utility truck with 80,000 miles on it. We switched the truck to a duallie set up and now longer need this. We did have to use one of the shock mounts, so it is missing. It is a 14 bolt corperate but I do not know the ratio. I will try to find out if you need to know. All of the br