Seems it's mainly a set of brackets such that a single clutch master cylinder is fit in about stock location. Then hung out in front of the clutch MC so it clears is a vacuum booster and brake MC. Nothing real fancy or special, just a pretty straight forward solution.

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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