Radiator for blown 440 in Duster

Good Vibrations Motor Sports has pretty decent prices and excellent service on blower parts including BDS products. http://goodvibesracing.com/Blower_Pulleys.htm

Also, this guy on Ebay makes pulley's to order that are even less expensive. I just got one from him: http://www.ebay.com/sch/drivekitspecialties/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p3686