Brand New 2Fastmoto Honda VT1100 Shadow 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-MAH-670, 16048-MM8-771, 16048-MM8-772. You will recieve enough to do 2 carburetors. Kit comes supplied with 2 spring sizes per carburetor. Use the spring that matches your application.
Replaces K&L Number: 18-2823