HPI 1200mAh NiMH 6 Volt receiver hump pack.
HPI set of universal truck rear rims in white. These Rims come with a set of adaptors to fit most poular brands (KYOSHO, HPI, TAMIYA ETC) Monster Trucks.
HPI optional front universal dogbone for the Nitro RS4 MT. This replaces the center dog-bone.
HPI air cleaner 30mm for the .12 to .15 Size Engines. This part mounts to the carb and keeps dirt from the engine.