Wilwood TX6R Big Brake front brake kits deliver the ultimate in braking performance. Mating TX6R radial-mount 6-piston calipers and massive 15 in. to 16 in. GT-60 directional vane Spec-37 alloy rotors, these bolt-on kits offer consistent stopping power and extreme-duty durability under sustained high heat. The calipers are volume matched for compatibility with OE power brake system output. Kits also include radial-mount caliper brackets and all the necessary hardware to complete the installation.