I had to buy an alum. crank pully last year and now I have one on the new alter. I just installed. So, to match the other two I went to buy one. The only manuf. that I can find to make one for a 66 mustang is March and they want $95 for just one pully!! I only paid $75 for the crack pully and it was a custom for a fluid filler dampner. Anyone know someone else making alum pullies for a small ford?