AUTOZONE- VALUCRAFT BRAND- BALL JOINTS PART NUMBER VFA2101 I RECENTLY HAD MY BALL JOINTS REPLACED AND I HAD A PREMATURE FAILURE OF THE BALL JOINT FASTENING HARDWARE WHILE DRIVING DOWN THE CITY ROAD IN A STRAIGHT LINE AT 45 MPH. IT CAUSED THOUSANDS OF DOLLARS OF DAMAGE AND IT ALSO ALMOST CAUSE ME GREAT INJURY. I SUSPECT AUTOZONE IS USING LOW GRADE NUTS CAUSE THE NUT THAT WAS ON THE BALL JOINT SHEARED OFF CAUSING ME TO BEND A CONTROL ARM, CRACK MY FRAME, BLOW A TIRE, ALL WHILE BARELY MISSING A TELEPHONE POLE. HAD I BEEN GOING DOWN THE HIGHWAY AT THE POSTED SPEED LIMIT I COULD HAVE FLIPPED MY CAR, GOT PULLED UNDER A SEMI, CROSS THE MEDIAN INTO ONCOMING TRAFFIC AND SO ON. I WOULD LIKE FOR AN INVESTIGATION TO BE STARTED ON THEIR POOR ENGINEERING CHOICES AND A RECALL TO BE STARTED. ITS JUST NOT FOR THE SAFETY OF ME BUT FOR THE SAFETY OF OTHER PEOPLE. I DO HAVE ALL DAMAGE PICTURES AND PICTURES OF THE FAILURE POINT. I HAVE PICTURES OF THE NUT IN QUESTION COMPARED TO ANOTHER COMPETITORS BRAND AND THERE IS A NOTICEABLE SIZE DIFFERENCE AND HARDNESS DIFFERENCE. THE BALL JOINTS WERE REPLACED 9/26/2015 AND FAILED ON 4/25/2016. AUTOZONE PART NUMBER VFA2101. MY BELIEF IS THE NUT IS A LOWER GRADE WHEN IT SHOULD BE A GRADE 8 NUT. I SAY THOUSANDS OF DOLLARS BECAUSE THE AUTO BODY SHOPS AROUND ME SAID THEY WILL NOT REPAIR THE FRAME BECAUSE ITS A LIABILITY AND WOULD RECOMMEND A NEW FRAME TO BE PUT UNDER THE VEHICLE ESSENTIALLY TOTALING MY CAR OUT CAUSING ME TO HAVE TO SPEND THOUSANDS TO REPLACE