Ergonomically perfect shape (the result of years of racing experience)Longer reach due to bigger volume (SX-F models)IMS Dry-break system can be mountedFor use without IMS System, the flange 79707913055 is included in the kit to use the stock filler cap (Enduro)For use on SX-F / SMR models, fuel pump 79707088300 is requiredFor use on SX-F / SMR models, an Enduro filler cap is required (78107908144 or Enduro stock filler cap)