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Brand New 2FastMoto Honda Carburetor Air Cut-Off Valve Kit. The air cut-off valve helps to eliminate backfiring on hard deceleration (throttle fully closed) in constant velocity carburetors. Hard deceleration creates a high vacuum signal in the intake tract which activates the valve. One Kit replaces 3 Components (diaphragm, spring, o-ring) per carburetor in Honda OEM Number 16048-413-004. You will receive enough to do 1 carburetor.
Replaces K&L Number: 18-2794
