Had trouble aligning them properly on my sockets. Started a refund, the company contacted me immediately to help. They asked for photos and were concerned about my satisfaction. Before returning them, I went to my RAM neighbors who had painted flares and molded fenders that fit like a glove. They do not match the OEM rear wheelhouse mount mold. I saved the expanders to order the OEM expanders and install the fenders. This is a great company, they offered a full refund but were more concerned about the quality of the product. You will deserve my business every time. Wheel extensions are sold with them. If you're not sure if your expanders are exactly OEM, they may not fit properly.