AERO6 calipers were designed for the specific purpose of providing big capacity braking with large diameter rotors for heavy weight and extreme duty vehicles. I it’s the biggest of the big providing big brake performance for show and dual purpose trucks and off-road vehicles, it provides big stopping power for towing, off-road, and enhanced braking with wheel and tire upgrades. Kits listed for specific vehicles are fully compatible with OE master cylinder output and ABS function. Directional staggered vane 14.00†to 14.25â€rotors provide maximum cooling for sustained high heat durability.