2003-2008 Dodge Ram 2500, 3500 Gearbox mounting bolts. M14 Metric bolts to mount gearbox to frame. Some companies are selling gearboxes for these Dodge trucks which have a smaller diameter bolt securing the gearbox to the frame. Another key identification factor is adapters for the pressure and return line into the gearbox. If your gearbox has this you will need these bolts for the correct gearbox which we only sell. These are the correct length and are a 10.9 grade.