I found the crank shaft A/C pulley. It's not good (it's going to be tough to find, it's cast aluminum) here are the specs. Outside pulley OD = 6 1/6" from a flat surface to the outside edge of the pulley = 2 1/8", to the bottom edge of the pulley = 1 1/2", OD of pulley where it bolts to the inside of the harmonic balancer = 3 1/2" so the installation sequence would be Keyed crank flange, the 2 grove pulley, harmonic ballancer, then the A/C pulley. The casting number on the A/C Pulley is 149V201 ---- the 9 might be an 8 - it's a cast number but I'm pretty sure it's a 9 - I couldn't get the number to show up with the camera. Hope this is of some help to you. If you need more measurements or a tape measure next to it for a clearer referance let me know.
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