gmduramax I got the part # for the hydro boost 1780853 but I need the # for the master cylinder . I have an 05 3500 drw , if it matters , thanks for a great post on upgrade !
I ordered this one.
https://www.amazon.com/gp/product/B004SG5M0U/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
and like to say thanks to gmduramax for blazing the path.
hope to install next week since I only have rear brakes on the truck,master cylinder finally died,but hey,,it went 320k miles.