6 or 5 inch ac pulley

[Steeveedee]

Originally Posted by Awann99

Yes they are both the new A6 style compressors.

Those compressors fit all applications of the era of GM vehicles, I think. I ought to start a poll about how many trucks had the large pulley. I'd bet on zero, tbh. But then I've seen things on these trucks that no one would ever expect.