This is our GenRight Off Road Crawler Comp Gas Tank for TJ or LJ. The intended purpose of this part allows the end user to move the rear axle backwards 6 or 7 inches. We pushed it forward until it was close to hitting the rear axle. This allowed us to see what parts we would have to move and how much space we could chop off the back of the TJ. Quickly we realized that the stock shock placement wasn’t gonna work. Also the second to last crossmember that is the backbone for the upper shock mounts would hit the top of the gas tank and fuel pump housing.