inch & 1/8 for the TF master ... should be able to get kits for them at NAPA, whole new masters as well [Raybestos # MC21680], virtually all the TF brake parts are still available from Raybestos, Wagner, Bendix
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
