Description:_x000D_ - 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 durable_x000D_ - The vacuum gauge can easily synchronize and balance the carburetor of a motorcycle_x000D_ - Each unit includes precision gauges mounted on a robust metal base for worktop use, threaded brass carb extensions (65mm and 180mm), connectors and vacuum hose_x000D_ - Suitable for 2-cylinder machines_x000D_ _x000D_ Specification:_x000D_ - Name: Motorcycle Fuel Vacuum Gauge Balancer_x000D_ - Material: metal and plastic_x000D_ - Size: 15cm x 10cm_x000D_ - Hole Diameter: 7cm_x000D_ - Color: Blue+Black_x000D_ - Type: Instrumentation_x000D_ - Sub type: Carburetor balancing gauge_x000D_ _x000D_ Package Includes:_x000D_ 2x Fuel Vacuum Gauge Balancer_x000D_ _x000D_ Note:_x000D_ Color might be slightly different due to the color calibration of each individual monitor._x000D_ Please allow slightly measuring deviation due to manual measurement.