Aluminum front component diff bulkhead block supper boost the front side differential height and improves the driveshaft views, creating more traction on component exit while increasing mid component rotation. The improved driveshaft positioning also helps expand the perfect solution is durations for the driveshafts CV bones and pins, and the diff outdrives. Machined from Swiss 7075 T6 aluminum and black colored colored coated. Fits both GTX and GTXE.