This is the first time I have had a problem with an order from Revain, the tire chain size program on Revain may not be correct, the chains are in the list of Companies listed handling safety chains. The manual is also wrong (for my F350 Dually at least), maybe they were made wrong by the manufacturer, or they just list the chain mount being too long for the smaller diameter tires, I don't know. All I know is that I need to raise the truck and change the chain size by removing the links fromβ¦