I think if you go to the online parts manual on "Old Chevy Manuals" you will find that the drums are different part numbers between the single and the dual. At least that is the case for 1951.

Last edited by truckernix; 05/23/2009 2:58 AM.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!