The lightweight aluminum rear bulkheads play a role in additional weight cost savings. The bulkheads feature a higher ARS link mounting place which allows for greater modification possibilities, the horizontal orientation enables going the ARS website link frontwards or backwards to improve the rotation faculties. The bulkheads utilize centering pins for easier placement on framework as well as for increased rigidity and persistence. The anti-roll bar mounting position keeps the cable club placed under the drive shafts for a super low CG. CNC-machined from premium & lightweight Swiss 7075 T6 aluminum and additionally black anodized.