Yes it’s got 3 platesThe demand diaphragm is the same either way , the pump skin and gaskets are what's different for gas , which has two plates and alky which is three plates , so count your plates and you'll know which gasket kit to get. As Ted mentioned most alky apps. would use the three plate stack which basically will supply more fuel . That carb goes way back.
So if I want to go back to gasoline I can just remove the middle plate ?
Yes I understand now the more I researchNo, it doesn't work that way.