Aluminum rear-front 1-piece suspension system system owner was redesigned allowing mounting from the back bulkheads into the owner for improved flex associated with rear suspension system. The 1-piece holder is put to the framework for a better centering. A large part supply mounts was in fact redesigned to utilize the square composite bushings through T4 and XB4 cars. The square eccentric bushings retain the straight modification with this inner hinge pins from the past NT1s, but include the capacity to adjust the pin width to expand the roll center and geometry modifications intended for a corner suspension system system. The holders may also be narrower that enables to install the arms more closer together to generate more traction
