We just installed a Dynacorn back half for an E-body. This is the trunk floor, frame rails, shock cross member, torque boxes, and back seat back all in one pre-assembled piece. essentially everything from the rear floor pan to the bumper. It fit very well, saved a bunch of time, and was a lot cheaper than the individual pieces. I've been using AMD for the rest of the parts. The Goodmark and brand-x stuff I've handled don't compare well to the AMD.