Synchronize your Carburetors with this quality German Made STE Synchrometer. The large easy to read face is numerical calibrated in KG per hour air flow delivers fast measurement for all types of carburetors, regardless of horizontal or vertical position. Fits several carbs, including 40-48 IDF/IDA, 34 ICT, EPC Kadrons, Solex etc. Adapter fits ports 29-51mm.