7 Lug Adaptors

Hey all,

I tried searching this forum for a while to see if it's been asked but I could only find info for offset spacers. I have a 98 f250 with the 7 lug rims. There are only a few options for this, basically stock. I'm not looking for any offset or specialty rims, just to change to either a 6 or 8 lug pattern to have some choices. I do want to keep everything safe and legal. Any help is appreciated.

Matt