Carburettor accelerator pump 1964-1973 v8

C4AZ-9B559-A This Diaphragm Pump mounts on the front all 64-73 Autolite 2V carbs as well as 64-67 Autolite 4V Carbs. Recommended to replace every 2-3 years or if the vehicle has sat for more than 6 months.