Part Description
37c, S&S, Description: Seat for use with 6AN fittings, use with ZPN 782738 needle, S&S: 11-2395
Text excerpt from the catalog:
Parts fit Super E carburetors with 1 7/8" (47.625mm) throat and Super G carburetors with 2 1/16" (52.4mm) throat, unless otherwise indicated.