MY CAR IS AT THE DEALER AND THERE REPLACING THE LIFTERS,PISTONS AND RODS. THE TECH SHOWED ME THE DIFFRENCE IN THE RODS THE NEW RODS ARE WIDER AT THE BOTTOM OF THE ROD.I HOPE THIS TAKES CARE OF IT. IM STILL NOT HAPPY I HAVE TO HAVE MY BRAND NEW CAR TAKEN APART. WILL SEE HOW IT TURNS OUT.