Wilwood's Tactical Extreme Tx6R Big Brake sets are final in braking overall performance for Truck, Armored Vehicles in addition to SUV. Utilizing Tx6R radial mount six piston calipers in addition to sizable 15.00 to 16.00 GT 60 directional vane Spec 37 alloy rotors, these products give you continuous stopping intense duty durability and power under experienced heat which is heavy with this willing to bolt on kit. The calipers are volume matched for compatibility with first equipment power brake system production. Kits include things like radial mount caliper brackets, and the majority of the essential hardware to do the set up. Braided stainless-steel flex lines are going to need to become invested in for a few applications.Feature Spindle Type Factory Disc SpindleMount Type RadialCaliper Type RedRotor Diameter 15.50Min Wheel Diameter Req'd 20Fitment GM 2500 HD 11 19Note s Pictures Put to use in Marketing Purposes Only, Actual Product May Vary...