This is the Stock Replacement Engine Mount for the HPI Savage. This part holds the engine to the chassis.FEATURES: Cast aluminum construction Natural aluminum colorINCLUDES: One engine mount Four 3x12mm cap head machine screwsREQUIRES: Nothing. This is a direct replacement part.SPECS: C.D. between engine mounting holes 21mm (same side) 37mm (across sides)COMMENTS: This mount is uniquely shaped for the HPI Savage. cmc 11/13/02 ir/kh