I used this kit: https://www.tsmmfg.net/chevy-gmc-8-lug-truck-complete-front-disc-brake-kit-1847.html

Went together well and I used a proportioning valve from Summit Racing for front disc rear drums. I saw no reason to convert the rear drums to disc for my use of my '51 3/4 ton.

If you register and then click here, you can see all the photos and story: https://oldgmctrucks.infopop.cc/eve/forums/a/tpc/f/294006236/m/5567070383

[img]https://oldgmctrucks.infopop.cc/eve...nlineimg/Y/DiscBrakeConversion5.JPEG.jpg[/img]