its the standard single belt pulley for a big block or hemi , 6 15/16 diameter , laying on a table /measuring to the fan mounting surface is 2 5/8''----------
if trying to measure from the center of the belt groove to fan mounting surface , looks like 2 1/4'' .
I ran this for about a thousand miles before changing set up -----------
View attachment 1715584498
will need a complete address to check actual shipping , for some reason now , with USPS . Would be coming from 74021 ------bob
