yellowdartdave said Check these old posts out. I think they may help you. Saginaw Pump http://www.forabodiesonly.com/mopar/showthread.php?t=57309&highlight=power+steering+pump Federal Pump http://www.forabodiesonly.com/mopar/showthread.php?t=39542&highlight=power+steering+pump It shows how the /6 pulley sticks out farther than the V8 one. Click to expand...