4 wheel disk manual master cylinder

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Looking at buying the kugel 180 degree brake pedal mount and need some advice.

1. Is the manual master cylinder going to be strong enough for a pro touring/track build?
2. What size should I be looking at? 1" or 7/8"?

Would really appreciate it if anyone has any first hand experience with this set up. I'm running C4 front and rear suspension and the C4 brakes for now - 2 piston front 12" rotors and single piston rear 12" rotors. Brake upgrades will be coming after the truck is on the road, so that is a factor also.

thanks for any help.