Partners Dominicana Baseball Foundation Wilwood 140 12929 W6A FRT HAT KIT 14.00. Wilwood 140 12929 W6A FRT HAT KIT 14. 00 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.