Hello Elmer. I am about to do the same upgrade on my 52 GMC. A couple of the guys over on www.oldgmctrucks.com have had great luck using this master cylinder with stock drum brakes.

http://www.partsamerica.com/Product...cearea=SHOP&sourcepage=SEARCHRESULTS

I have the master cylinder and it looks decent. After my king pin replacement I will start this next project.


~ Phillip
1949 GMC Suburban - 10 year project
1952 Pontiac Chieftain Convertible straight 8 hydramatic
1945 GMC half ton truck - Driver- Sold 9-15-25
1946 Chevy COE - SOLD 1-5-26 BUH BYE CHEVY!
1959 GMC Half ton long bed NAPCO