Brakes 5 lug disc conversion

opihinalu

Active Member
Feb 10, 2021
180
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Florida
Hey all. I am in the middle of a suspension refresh and I feel like now would be a good time to put discs on the rear as well. There is a guy near me selling a 5 lug disc 4.10 rear end. Besides that, what kind of parts do I need? Also I have read that you need a new master cylinder, why is that?
 
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Mustang5L5

Put lubricant all over the balls
Mod Dude
Feb 18, 2001
39,711
15,488
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Massachusetts
You need the new master cylinder because the addition of two calipers in the rear requires additional fluid volume requring a larger bore master cylinder.

You’ll also need booster, combo valve 3-2 conversion parts and provisions for the parking brake