For sale is a stock 3.65" supercharger pulley from an '03-'04 Mustang Cobra. The pulley is on ok condition. It has a couple of nicks and dings in it but could be filed out. This pulley came off of a supercharger I bought for a "terminator" build I did and I have upgraded to a smaller pulley so I have no need for it any longer. This pulley will also fit '99-'04 Ford lightnings. Feel free to ask any questions.