Catalog › Air Filter for Bing 54 Carb Image 1 of 1 Air Filter for Bing 54 Carb $63.99 K & N Single Carb Filter for Rotax 582, Rotax 503 or Kawasaki 440 engine.RA-0500 Add To Cart Added! K & N Single Carb Filter for Rotax 582, Rotax 503 or Kawasaki 440 engine.RA-0500 You Might Also Like Bing 54 Carburetor Sockets for Rotax 503 Engine $72.95 Amsoil Interceptor- Quart $16.19 Spark Plugs for Rotax 912 $33.98 1/4" Blue Fuel Line $2.95 Amsoil Gear Lube $24.19