Welcome you sly fox.. Pretty sure it fits.

 

Thank you!

 

That's a bit narrow.

 

Yeah, that's a bit small but it would work.

 

255-70 R18 is the "standard" tire size on the base 3rd gen Tundra.

 

Yes. They fit very nicely. This is the size on the base model Gen 3 Tundra. You can use them to replace the larger 275/65R18. The 255/70/R18 are about 1/2" narrower, but exactly the same diameter. I have used them a couple times because I could get a set for a lot less money, and visually, I could not tell the difference. But I sure did like the money I saved!