Wilwood 140 13685 KIT FRONT MUSTANG 2005 14 W BMR Visible spectrum light wavelengths diagram Vector Image. Wilwood 140 13685 KIT FRONT MUSTANG 2005 14 W BMR AERO6 calipers are the newest design for the specific purpose of providing big capacity braking with large diameter rotors for heavy weight and extreme duty vehicles. For cars, its the biggest of the big providing big brake performance for show and dual purpose street and track vehicles. For trucks and SUVs, 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. Direction staggered vane 14 or larger rotors provide maximum cooling for sustained high heat durability.