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· Premium Member
860 Posts
If I'm not mistaken,... I believe there is only one pulley... and it's for the crank. They(pulley makers) haven't made much for us 4.7L folks. I could be wrong though... they may have got some other pulley's out by now.

As far as it harming your A/C.... I would say it might give you a decrease in a/c output... but nothing too noticeable. I'd say go for it.

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