Empi 43-5712 Universal Pro-Sync Carburetor Synchronizer Tool With 2 Adapters. Ideal For Fine Tuning Dual Carburetors On Dune Buggies, VW Bugs, Karmann Ghia, VW Bus, Motorcycle Trikes.

Pro-Sync Is A Precision Instrument That Provides A Visual Method Of Balancing The Performance Of Each Carburetor In Multiple Carb Set-Ups With A High Degree Of Accuracy.
This Multiple Carburetor Synchronizer Works With Side Draft Or Down Draft Carburetors. Includes Two Adapters Which Allows For 1-Tool Usage On A Wide Spectrum Of Applications. The Pro-Synchronizer Will Not Restrict Airflow And Feature An Easy To Read 1-30 Kg/H Numbered Scale For Precise Synchronization.