Wilwood 140 15025 D Art Morrison AERO6 Big Front Brake Kit Wilwood AERO6 Front Truck Kit 14.00in Black 88 98 GMC Truck C1500 C2500 Wilwood 140 9789 D AERO6 Big Brake Truck Front Brake Kit eBay Wilwood 140 9789 D AERO6 Big Brake Truck Front Brake Kit eBay. Wilwood 140 13582 AERO6 FRONT 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.