ENGINE TYPE PIAGGIO 50cc Air Cooled Derbi (with Piaggio Engine) |Piaggio|Vespa and Gilera BRANDS THAT USE THIS ENGINE Derbi|Piaggio|Vespa MODEL NAMES ET 2 50cc|LT 50|Typhoon 50|Atlantis AIR 50 TYPE OF ENGINE 2 STROKE THIS CYLINDER KIT REQUIERS PART No. CB7180-1H (CYLINDER HEAD) FITS PIAGGIO AIR COOLED 50cc ENGINES (ET2, DERBI, LT2) WARNINGS: Warning : Please go over measurements since Chinese and Asian made scooters will have some parts that will not fit 100%. Please make sure to measure the part properly for we cannot gaurantee it will work on Chinese clones unless the sizes are the same. Please double check engine make before replacing parts since some manufacturers use multiple engine types in assembly and same models will have different engines during different production runs.