K&S Carburetor Air Cutoff Valve Set [MPN: 56-1010]

Description

Carburetor Air Cut-Off Valve Set

• Direct OEM-style replacement carburetor air cut-off valve set
• Include diaphragm, spring and O-ring
• Located on the side of the carburetor, the air cut-off valve prevents lean fuel mixture (backfire) when decelerating
• Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes