The diff bulkheads had been created for extreme durability, while supplying comfortable access for tuning and maintenance. Diff bulkheads are an essential chassis component, housing both front and straight back differentials and supplying mounting points the suspension system system mounts and surprise towers. To improve the persistence the differential performance throughout each run, these devices package covers are milled straight down for extra venting to aid get a handle on diff conditions. This prevents overheating the diff oils and guarantees more consistent handling during long mains and stretches periods between rebuilds. Fits both GTX and GTXE.