THIS FOR A GOOD USED SET OF 4 PIECES OF FORD 1967 1968 1969 1970 MUSTANG MACH I BOSS SHELBY MERCURY COUGAR BIG BLOCK SHOCK TOWER REINFORCEMENT PLATES (4). THE HARD WORK IS ALREADY DONE OF REMOVING THEM FROM THE SHOCK TOWERS. LOOK AT THE PHOTOS FOR THE DETAILS OF THESE PLATES. SHIPPING IS A FLAT RATE FEE OF $35.00 SHIPPED IN THE LOWER 48 US STATES.