This is the Heavy-Duty Final Gear Set for the HPI Nitro 3 and Nitro RS4 3 Evo

Sound Econami

The extra hard treatment helps this idler gear resist wear much better than the factory piece

Losi LOS334017 Caster Block Set Aluminum 22S

Powerhobby Aluminum Dual High Speed Cooling Fans Blue FOR 1/5 Motor 22X-4 Parts This is the Heavy-Duty FinalPowerhobby 1 5 Aluminum HeatSink w Twin Turbo High Speed Cooling Fans Description Help manage motor temperatures in your large scale RC vehicle with the PowerHobby Aluminum Dual High Speed Motor Cooling System. Designed for cylindrical motors measuring approximately 5558mm in diameter, this cooling upgrade combines a durable aluminum motor mount with two powerful 40mm high speed cooling fans. The twin fan configuration directs increased airflow across