Up for Sale is aNEW FORD 9" NEW STYLE BIG BEARING (Torino) WILWOOD DYNAPRO DISC BRAKE KIT 2.50" back spacing with Parking Brake. The Rotors are 11" Drilled/Slotted Rotors with 4 Piston Calipers. The second photo shows Wilwoods Dynapro Low-Profile Rear Parking Brake Kit Parts Laid Out.