4x synchronizers with fixed plates (vacuum). There is a pressure value on the gauge. The maximum pressure is 1KG. If the pressure exceeds or is unstable, the guage can be broke. 4x extension tubes(3.9 x 52mm).
Carburetor Synchronizer Adjust Fuel Vacuum Gauge Tubes Tool Kit Set Universal
Carburetor Synchronizer Adjust Fuel Vacuum Gauge Tubes Tool Set Universal
Carburetor Synchronizer Adjust Fuel Vacuum Gauge Tubes Tool Set Universal new
Carburetor Synchronizer Adjust Fuel Vacuum Gauge Tubes Tool Kit Universal New
