This offset tail is 32" wide where it attaches to the mid section. It is available with the options of 2” x 3” or 2" x 2" from the axle back. With two straight rails it will fit a 32” cell. It is also made with a 2-1/2” dog legged left rail option to accommodate up to 34.5" wide cell. The 36609 has each rail widened 1-1/4” to center the fuel cell. 9” Coilover shock mounts are standard and seperate coil mounts can be added. The upper structure is mainly 1-3/ 4" x .065 D.O.M. tubing.