Dromida brand Assembled Differentialfor the Dromida SC4.18, MT4.18 and BX4.18 Vehicles. FEATURES: Assembled and ready to installWorks with front and rear gearboxesYOU WILL RECEIVE: Two 8x12mm Ball Bearings, key BFour 2x8mm Flat Head Screws, key G38T Diff Ring Gear, key #30Diff Case, key #31Small Bevel Gear, key #32Large Bevel Gear, key #332x16.5mm Pin, key #34COMMENTS: Two are required per vehiclejxs 01/14/14ir/jxs