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-   -   12 Bolt Brake ID Help Needed (https://67-72chevytrucks.com/vboard/showthread.php?t=859982)

57tailgater 08-01-2025 12:20 PM

12 Bolt Brake ID Help Needed
 
I have a 12 bolt out of '74 K5 that I am putting into my '57 3100. A long time ago I tore the brakes down to clean things up but in the meantime things have gotten misplaced and I need to get new. I have the drums and they are marked with "GM 333047" and "MAX.DIA.11.24" I see there are two brake sizes listed in most places: 11x2 and 11-5/32x2-3/4. How do I tell what size I need? Where can I get a complete hardware kit that includes the adjusters as well? I am also wanting to get new wheel cylinders too. Thanks for the help!

Pontiac1976 08-01-2025 11:45 PM

Re: 12 Bolt Brake ID Help Needed
 
E-bay may have complete kit. or RockAuto, LMC online book. if you have the drums, you should see the shoe wear in the drum musers 2" for shoes pad for Reg. or 2-3/4 " heavy duty. (whatever the closes too those numbers just the pad part of the shoes)


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