these came off the same car a 1968 buick electra convertiable with a 430. car is a non ac car I do have the aluminum alt bracket for sale seperatly harmonic balancer has part number 1375142 on it. it has 2 grooves . made from stamped steel the water pump one I do not see a part number, it is larger than the harmonic balancer one. it is single grove. both parts has lots of surface rust but will clean up fine paypal ok I will ship in a medium flat rate box from usps(13.45) you can pick up in Raleigh nc or Goldsboro 100$ obo I will not really have a lot of internet access the next couple of day but will do my best to check pm's one time a day
