Motorcycle Fuel Vacuum Carburetor Synchronizer Tool Carb Sync Gauge 2/ 4 Cylinder for Motorcycle Motorbike Carbs Universal Carbu Motorcycle Fuel Vacuum Carburetor Synchronizer Tool Carb Sync Gauge 2/ 4 Cylinder for Motorcycle Motorbike Carbs Universal Carbu. Sale price : $8.46 Category : Automobiles, Parts & Accessories