Signswise Metal Air Filter for HPI BAJA 5B 5T 2.0 5SC SS MG Velocity Stack Zenoah Cy Goped-Blue Metal Air Filter for cy zenoah engine for 1/5 hpi km rovan baja 5b 5t 5sc rc car a brand new complete air filter assembly that fits all Zenoah, cy, and clone 23cc-30.5cc gas engines found in gopeds, gas powered rc cars, and many other small gas powered items This complete assembly includes the air filter, velocity stack, choke spacer, and screws. Use:Vehicles & Remote Control Toys