Need Disc/drum combination valve------

You can also try Inline Tube (inlinetube.com)

Here is what I found that may work for you:

"BLK245
1967-74 A-body Distribution Block - Dart / Duster / Demon

Brass 5 Port Valve Disc or Drum Brakes

Brass
$89.00

and or

Valve Notes:

For use on 1967-74 A-body Mopar with either disc or drum brakes. "​

I hope this helps.

Thanks,
OldMoparsRule!