Help identify master cylinder

go-fish said

That's what I was thinking because it was with the four hole/ two stud adapter.
I would like to convert to manual for a Viper/Cobra disc/disc deal (Snake Brakes!). Could this be used with my factory disc/drum in the meantime, removing the booster? The pushod attached is a manual rod. I would just keep my metering block swap to an adj. prop valve when I go rear disc?

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Yes you can definitely use that set up with the factory disk/drum brakes. I run DoctorDiff’s master cylinders on my Challenger and my Duster, the Challenger is 11.75” Mopar disks with 11” rear drums and the Duster was the 13” cobra brakes with drums in the back, then Cobra/Cobra, and now Viper/Cobra.

Both of mine are 15/16”, but the 1-1/32” should work fine as well.