CVK40 Vacuum Slide for Kawasaki Vulcan - Complete vacuum slide valve piston assembly for Keihin CVK40 carburetors found on Kawasaki Vulcan and KLR motorcycles . Replaces the original Kawasaki p/n 16126-1170 and 16126-1325 on single CVK 40 carbs only.  Fits Keihin CVK 40mm...