This is the Replacement Gear Case Brace (Gear Box Mount) for the Duratrax Maximum ST. The base of this piece bolts directly to the chassis and has a raised section in the center that connects to the front of the gearbox Made of Durable Plastic (black) This is a Stress-Tech part and is covered by the 6-month (from purchase) warranty One Gear Case Brace (Key number 41) The mounting screws JXR 12/01/98 ir/jl &