Here you will find tuning carburettors of the Dellorto SHA 16/16 type, as well as suitable air filter adapters for the racing carburettor. We also have M5 jets in all sizes so that you can tune the carburettor with foam air filter or mushroom air filter correctly. The parts can be fitted to your Pony GTX or Cross or Cilo Cross with Beta 521 or 512 engine.