Nick; I'm not sure if its the one you need, but I just seen it
1958 59 FORD TRUCK ENGINE/TRANNY MOUNT B8TZ 6038-A | eBay been on there a while now!
Good luck in your quest!
Disregard its the isolator not the cross member. Sorry its late and i'm tired.
Last edited by theodore/teddy; 09-05-2012 at 11:47 PM.
Reason: I'm a knuckle-head