Carburettor air cut-off valve set

The air cut-off valve, located on the side of the carburettor, prevents lean mixtures (backfires) during deceleration.  
It temporarily closes the pilot jet passage to enrich the mixture when closing the throttle.  
Air cut-off valve kit for carburettor, direct OEM-style replacement.  
Includes diaphragm, spring and O-ring.  
Kit for two carburettors.
Product Information
Brand: K&S TECHNOLOGIES
Supplier Reference: 56-1015
Product Name: Valve
Type: Air Circuit Closure
Units: Set