A must-have tool for keeping your carbureted bike running smoothly. The Carburetor Synchronizing Kit from BikeMaster works with 2-, 3- or 4-cylinder motors. The kit features 2" diameter gauges fitted with a lockable damping valve to even out the pulses for accurate readings. Includes four gauges, hoses, adaptors, mounting plate and a durable carrying case.. Gauges are calibrated to 0-30"/Hg vacuum. Carburetor Synchronizing Kit
