Water pump thread size big block Mopar where the pulley goes .

[72duster72]

Does anyone know the thread size for water pump where the pulley he attaches Thanks

 

[Beekeeper]

If asking about the pump flange where the pulley attaches the bolts are 5/16-18

 

[72duster72]

Thanks And that is what I’m asking

 

[Michael_]

Thats true i just bought some.