Motion Pro SyncPro™ Carburetor Tuner

Precise four-channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburetors or throttle bodies (maximum vacuum rating for this tool is 40 cm Hg). Mercury-free design. Spill-proof design means the tool can be stored in a horizontal or vertical position. Easy-to-read scale for precise synchronization. Unaffected by barometric pressure changes. Includes hang hook to clip onto the handlebars for easy use. Rugged, impact-resistant ABS enclosure with convenient storage area for adapters, etc. Rubber feet on enclosure bottom help prevent sliding. Includes manometer fluid, hoses, 5 mm adapters, in-line restrictors and instructions.