Precise four-channel vacuum indicator designed specifically for intake synchronization of engines with multiple carburettors or throttle bodies (max. vacuum range 40cm Hg)

For use with any 2, 3 or 4 cylinder four stroke motorcycles.

Features:

• New mercury-free design uses non-toxic manometer fluid.
• 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 a convenient storage area for adapters.
• Rubber feet on enclosure bottom help prevent sliding.
• Includes manometer fluid.