Description:This Vacuum Gauge 2 Cylinder will help improve the performance of your motorcycle, providing you with a user-friendly method of balancing your carburetor at home without the need for additional tools.The two gauges can be used individually or together, with a pair of rubber connectors on hand to provide four-way balancing.Brass extension bars and a steel back plate make this hard-wearing essential lasting and durableThe vacuum gauge can easily synchronize and balance the carburetor of a motorcycleEach unit includes precision gauges mounted on a robust metal base for worktop use, threaded brass carb extensions (65mm and 180mm), connectors and vacuum hose Specification:Material: metal and plasticSize:153x105mm 6.02x4.13inch chassis length x width70x27mm 2.76x1.06inch diameter x heightType: InstrumentationSub type: Carburetor balancing gauge Package Includes:2 x Fuel vacuum gauge balancer2 x vacuum hose2 x connector2 x Threaded Brass Carburetor Extension