Master Cylinder Help Please

[Luke87gt]

Hi guys, I’m hoping you can steer me to the best option master cylinder for my 1969 c10. I got drop spindles and will be doing the front disk conversion (keeping the rears stock drum)

First, I’d like to keep the brakes manual. I understand the the 4wheel drum brakes came with a 1.125” MC bore. With manual brakes, I will need 1” or 15/16” so the pedal isn’t too hard. Which of those two do you recommend and why?

Next, can you point me to a MC online that is a good option for me? I’m looking for something that’s good value and will bolt up to my truck and existing lines with as little modification as possible. If available on Rockauto, that’s a plus!

Lastly, I also need a proportioning valve. I see a lot of MCs being sold without these.

Thank you.