This is a new very high quality and very correct Carter YS military Carburetor Master rebuild kit. This is the big rebuild kit for the Carter 637 YS carburetor. The YS carburetor was used on the 1950-52 flat fender military jeep. This is basically the military version of the CJ3A. The carter YS carburetor has the upper curved throat as well as YS marked on the side of the bowl. This is not just a repair kit this is a total rebuild kit.
Part Number: 648065