I believe they are the same as a 33...I just ordered some new 18x9 rims with different backspacing, so I should be set to go now. I couldn't bring myself to buying spacers. I did however get an amazing deal at Discount Tire for the Moto Metal 951s. They tried to sell them to me for $290 and I had them match 4wheelparts.com at $225 a wheel.

 

Me too. There's a few other people on here who have 325/65R18's on stock wheels.

 

Is your truck 4x2 or 4x4?

 

325 is millimeters. 25.4 to the inch. 12.8 inches or could be called 12,12.5 or 13 depending on brand.
Chris

 

I was going to go with the Pro Comps, but decided against it because they are over 13 inches wide. That's pushing the extreme limits of stock rims.