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I've got about a dozen different-size serpentine alternator pulleys, Michael (I always remove the pullies before returning rebuilt-alternator cores, lol). As measured across the front face, they range in diameter from about 2.25-ish to 2.75-ish. Obviously, I don't know what size your pulley is, but - if you'd like to slow your alternator slightly and my large one is bigger than yours - I'd be happy to send it to ya'.
I've got about a dozen different-size serpentine alternator pulleys, Michael (I always remove the pullies before returning rebuilt-alternator cores, lol). As measured across the front face, they range in diameter from about 2.25-ish to 2.75-ish. Obviously, I don't know what size your pulley is, but - if you'd like to slow your alternator slightly and my large one is bigger than yours - I'd be happy to send it to ya'.

Placerville, California
(former) '78 2.3T Courier w/blow-thru Autolite 2bbl carb ~ (current) '87 2.3T Ranger w/PiMP’d EFI
(former) '78 2.3T Courier w/blow-thru Autolite 2bbl carb ~ (current) '87 2.3T Ranger w/PiMP’d EFI