What engine is your friend running? Normally the CMP engine has a dual belt pulley that mounts the cooling fan to the pulley hub. The pulley you've pictured is a single belt pulley with no provision for mounting the fan, and was used with a separate fan hub mounted lower on the engine between the Genny and Distributor.
If you really need that particular pulley, it is available new from
Mac's Auto as part number 01A-10130-B. The correct style CMP pulley is pictured below: