WHILE TRAVELING 75MPH RIGHT REAR TIRE BLEWOUT. VEHICLE VIBRATED. PULLED TO SIDE., AND CHECKED TIRES. NOTICED TREAD HAD PEELED OFF. PUT SPARE ON. BROUGHT ANOTHER TIRE TO REPLACE SPARE. 2ND TIRE LEFT REAR BLEWOUT, SAME THING HAD HAPPENED. THEN, 3RD TIRE, RIGHT FRONT, SAME PROBLEM. THREW AWAY FIRST TIRE. KEPT OTHER TWO TIRES THAT BLEW OUT SAME DAY. VEHICLE WENT OFF ROAD TO THE LEFT & THEN BACK TO THE RIGHT. DRIVER SUFFERED BACK INJURIES DUE TO TREAD SEPARATION OF THIRD TIRE. BRIDGESTONE PUELER APT (AFTER MARKET) LT 265/75R16. *AK