WHILE DRIVING 60 MPH LEFT REAR TIRE EXPERIENCED A TREAD SEPARATION. AFTER MARKET EQUIPMENT INSTALLED AT 144,109, TIRE SIZE P225/70R14, DOT # PJFCDXKR4102. THE TIRE DEALER WAS NOTIFIED.*AK THE DEALER OFFERED A 15 DOLLAR CREDIT TO A NEW TIRE. THE CONSUMER STATED THAT HE FEELS THE REMAINING THREE TIRES ARE UNSAFE. *TC