Pinion Shim Set for Select Jeep MB, CJ-2A, CJ-3A, CJ-3B, CJ-5, CJ-6, M38, M38-A1, FC-150, FC-170, C101 & C104 Commandos, SJ, J-Series, Willys Pickup, Station Wagon, Sedan Delivery, All w/ Dana 25, Dana 27, Dana 44 or Dana 30 Axles, Position (Front or Rear) Varies by Model and Year