Will a small block water pump pulley work on a big block? When comparing the sb pulley to the bb pulley on the car all seems to be similar. I would just like to know before I go and swap them and find out it doesn't work. Thanks for any help.
Some will, depending on if it is for a long pump or short pump. There are two different bolt circles, but most aftermarket pumps have the dual pattern. Your fan clutch will have to match the bolt pattern though.
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