The Sealey VS209 Carburettor Synchronizer is a professional-grade balancing tool designed for precise tuning of multi-cylinder carburettor engines. This comprehensive four-gauge synchronizer set enables mechanics and technicians to accurately balance carburettor vacuum levels, ensuring optimal engine performance and smooth running across all cylinders. Featuring a bank of four mini-gauges with individual lockable valves, this synchronizer allows you to hold vacuum readings during adjustment, making the tuning process more straightforward and accurate. The tool is supplied with a versatile set of carburettor adaptors in various sizes, providing easy access amongst the tubes and wires commonly found around carburettor installations. Each gauge connects via a 900mm flexible delivery tube, offering excellent reach and positioning flexibility when working on different engine configurations. The maximum vacuum measurement capability of 76cmHg provides adequate range for most carburettor bala