All brake lines, brake cylinders, master cylinder, and brake shoes are brand new. All thats left is the brake booster. we tried taking it apart and restoring it but we still have a vacuum and slight fluid leak from the booster itself. We just want to figure out how to get assisted brakes because we can stop the truck, the brakes hold really well, but its too stiff for normal driving. we do not like the hydrovac system of the 70s and are wanting to try something modern.