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HPI replacement stock motor for the Micro RS4.
HPI optional 45T Micro Modified motor for the Micro RS4. This item replaces the stock motor provided with the kit.
HPI motor connector for the Micro RS4.
HPI LED light set plugs in between your battery pack and speed control with the standard plugs and lights up your headlights and tailights!
HPI optional motor wires with plugs for the Micro RS4. These are the leads that would be used for speed controls that do not use bullet-style conenctors.
HPI battery wire connectors with plugs for the Micro RS4.
HPI Nitro Star F4.1 engine with pull start used in the Savage X
HPI aluminum heat sink head for the Nitro Star .21BB engine.
HPI optional Chubby Heatsink Head for the 21BB Nitro Engine. This replaces the stock narrower heatsink head.
HPI replacement head gasket set for the Nitro Star S-25 Engine. These mount underneath the cylinder head and just above the cylinder.
HPI air filter set for the Baja. This is mounted on the carburetor to help filter out dust and debris.
HPI o-rings for the Baja
HPI piston set for the Baja 5B fuelie engine.
HPI cylinder set for the Baja Fuelie Engine.
HPI piston pin set for the Baja 5B fuelie engine
HPI cylinder gasket for the Baja Fuelie.