Autolite 4100 Secondary Diaphragm Kit ford, mustang,Galaxy Thunderbird

Autolite 4100 Secondary Diaphragm Kit ford, mustang,Galaxy Thunderbird Autolite 4100 Secondary Diaphragm Kit Ford 4100 Motorcraft 4100 This kit replaces both types originally fitted to the Autolite/Motorcraft 4100 series carburettor Kit consists of Diaphragm, & Rocker Arm [OEM #: C5AZ-9853-A]Having this rocker arm allows the diaphragm to replace both male and female OEM types.