does anybody know what size the bolt is that holds the pulley on the supersharger for a 1997 buick riviera?
Unless you have a GM repair manual, hard to know, remove one and when you take it to the store, have them match it up with the correct replacement.
Check out your local savage yard..locate any 3.8 Buick..oop there it is.
The tensioners on my 96 are 15 mm
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