THIS IS A COMPLETE KIT TO CONVERT YOUR FULL SIZE FORD FROM DRUM BRAKES TO DISC BRAKES. 1 POWER BRAKE BOOSTER WITH FIREWALL BRACKETS AND CLEVIS ROD. 2 RUBBER BRAKE HOSES. YOU WILL HAVE TO RE PLUMB YOUR EXISTING BRAKE LINES TO WORK WITH THE NEW PROPORTIONING VALVE OTHERWISE THERE IS NO MODIFICATIONS NEEDED.