Need help with my pulley set up for my 65 v8

[Budman56]

Originally Posted by 60-66

That's the reason I gave you the GM part number that IS correct for 1966. Its a Positive way of identifying parts. Your CAST pulleys are 100% GM and have the part number cast in them. Your power steering PUMP AND BRACKET are from 1969-1972 truck. This is what I said Im not certain they will work because it MAY be a different offset than the correct 1966 pump and bracket. Theres at least 3 different single groove PS pulleys, all different offsets . I can see right off that the one he sent you is the wrong offset. Is there a GM part number in this new pulley ?

6066 I must be slow because I don't see the part number you gave me, Can you give it to me again?