This is the Composite Gear Box/Bulkhead Set for use on the HPI Racing 1/8 Savage Flux HP Brushless Truck RTR (HPID64**) and the HPI 1/8 Savage X 4.6 RTR Nitro Truck (HPID67**). FEATURES: Lightweight and stiff composite material Black in color YOU WILL RECEIVE: Gear Box/Bulkhead Set Four 4x27mm Flat Head Screws REQUIREMENTS: Installation on the vehicle cnh 3/23/09 ir/jxs &