HPI Racing 87567 Bevel Gear Set for #85427 Alloy Differential Case Set Baja FEATURES: Steel construction Must be used with the Alloy Diff Case Set, HPIC5427 INCLUDES: Two Large Bevel Gears Four Small Bevel Gears Three Diff Case Gaskets Two 18mm Gear Pins Two 31mm Shafts Diff Washer Set Instruction Sheet REQUIRES: Installation on Baja 5B Pro Thread Lock (RED) GPMR6060 T Allen Wrench 3.0mm HPIR0909 cnh 6/26/08 ir/jxs