when i bought the rims and tires for my car i tried them on jamies car.. its a 69 dart with all stock suspension and a 8 3/4 rear with big bolt axles and c-body drum brakes. i fit a 225/50-17 ( 25.9 X 8.9") on the rear.. the rim is a 17 X 8 with a 5.72 back space...