Aluminum front part diff bulkhead block dish raise the front differential height and improves the driveshaft perspectives, producing more traction on component exit while increasing mid corner rotation. The enhanced driveshaft positioning furthermore helps expand the solution intervals of this driveshafts CV bones and pins, plus the diff outdrives. Machined from Swiss 7075 T6 aluminum and black colored coated. Fits both GTX and GTXE.