Funny you've asked. I just now today got back on this. I'm using a Booster/Master Cylinder from Pirate Jack which is a distributor for I think PMB is the brand. I can verify if you want. I've kept the front drum brakes as well as the rear drums. The Booster/ Master Cylinder, is a dual reservoir, I bought uses a Prop Valve mounted to the Booster and a 10# residual valve to the front brakes. I'm going to have to drill a hole in the brake pedal arm to obtain the correct Brake pedal Ratio mentioned in the kit. I chose this Prop valve so U don't, hopefully, have to mess with front to back adjustment. Good luck !!!