Stage 8's locking ring gear bolt kit fits 8" or 9" Ford open differentials and most 9" Ford spools. Kit includes 10 specially machined ring gear bolts that feature a snap ring groove, 10 snap rings and 5 lock plates.
NOTES: Bolts are 7/16"-20 thread and .925" long. These bolt kits may fit other carrier types as well, see installed photo. They do not fit carriers that have recessed ring gear bolt heads, or if the carrier casting features strengthening ribs that extend out between the ring gear bolt heads.