Prolly a bit wide for stock wheels...

http://www.discounttiredirect.com/di...yp=Truck%2FSUV

But this gets you to 33", & would work on stock 18's...

http://www.discounttiredirect.com/di...yp=Truck%2FSUV

Nitto's ain't cheap, but nothing worthwhile ever is...

Keep looking EVERYWHERE (goog is friend)...you'll find the right ones...

Also, for ANY 33" tire, some cutting of the cladding will be the minimum requirement to make them fit.