K&L AIR CUT-OFF VALVE SETS
Here?ÇÖs an inexpensive alternative to the costly OEM assembly. To
prevent ?Ç£afterburn" generated by a lean fuel mixture when closing
the throttle, the air cut-off valve temporarily closes the slow-jet air
passage, creating an instantly richer mixture. Included in these high
quality kits are all parts necessary for a complete rebuild. (diaphrag