48 to 50 mm needle carburetor synchronizer for 1-35Kg/h vacuum

This vacuum synchronizer or depressiometer will enable you to adjust the synchronization between the 2 bodies of a Weber, Dellorto or Solex carburetor of large caliber (48 IDA, 48 DCOE etc). It allows you to perfectly balance the suction level between the bodies.
Well-tuned carburetion is the basis of any engine's performance, not to mention the improvement in fuel consumption it can bring.
This tool measures vacuum from 1-35Kg/h
Minimum diameter: 48 mm
Max. diameter: 50 mm
Flexible cone for perfect sealing. This synchronizer can be used to adjust carburetors on older BMW R75 to R100S motorcycles by connecting it directly to the air sleeve (ideally used in pairs for easier adjustment).