Carburetor Vacuum Gauge Balancer Synchronizer for 2 Cylinder Engines This vacuum gauge set is designed to help improve motorcycle performance by providing a convenient method to synchronize and balance the carburetor at home without requiring additional tools.The kit includes two gauges that can be used individually or together, along with rubber connectors that enable four-way connections.Brass extension bars and a steel back provide and long-term use.Each unit features gauges mounted on a robust metal base suitable for worktop use, along with threaded brass carburetor extensions measuring 65mm and 180mm, connectors, and vacuum hose.Material: metal and plastic Size: 153x105mm (6.02x4.13inch) chassis length x width, 70x27mm (2.76x1.06inch) diameter x height Type: Instrumentation Sub type: Carburetor gauge Package Includes: 2 x Fuel vacuum gauge balancer 2 x Vacuum hose 2 x Connector 2 x Threaded Brass Carburetor Extension Disclaimer: This aftermarket part is not affiliated with the manufacturer.Mentioned brands/models are for compatibility identification only.