I make a bracket to install a 1 ton dual circuit master in place of the original. You can use a number of GM master's with different bores. This replaces the hydra-vac as well. I have about 4000 miles on my set up and it does excellent.

You can find the thread here https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=964265&page=1


Randy Domeck
Indianapolis Fabrications
[email protected]
Indianapolis, In. 46254
317-258-0039