I purchased a new 2 stage air compressor pump. 14 1/2" diameter 2 groove pulley on pump. I am looking for a 2 groove pulley or sheave for the electric motor. 4" to 5" diameter with a .625 (5/8) I.D. Anyone have a source to find pulleys? I checked flea bay and nothing coming up recently. Thanks!

http://www.martinsprocket.com/SecD_TOC.htm

These guys will have what you need. Most supply houses will be able to get martin or a crossover for you.

Thanks!