The product is a front wheel bearing and hub assembly for a 2012-2013 Ram 2500 5.7L V8 running on compressed natural gas (CNG). It is made of steel with a circle-shaped flange and has a flange diameter of 205 mm. The hub pilot diameter is 120 mm and the flange offset is 56.3 mm. The wheel stud quantity is 8 with a size of M141.5 mm, and it is designed for anti-lock braking systems. The brand is Carquest and the manufacturer part number is 94-556387. This product is a unique fitment for the specified vehicle model.