Southward in Eugene (541-431-0556) they have BB Mopar torque plates for the final honing and Sommers (360-699-5205) in Vancouver, not sure if they have BB Mopar torque plate yet confused I've always taken mine to them when I had them do my work.
Southward does a lot of HD industrial engines and they have a lot of machines that the smaller shop don't have so they do a lot of other shops machining for them work Neil is there salesman and he pickups and delivers all over the state. Talk to Don, Randy or Carl up shruggy

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)