If you've got the fabrication skills (or are willing to pony up the $$ for skilled fabricators) anything is possible, but I'm going to bet that it's far from a straight bolt-on affair. Other things to consider are side airbag compatibility and passenger seat weight sensor compatibility. Here's a thread with some more detailed information that might help you: http://www.toyota-4runner.org/5th-gen-t4rs/138115-will-lexus-landcruiser-seats-fit-sr5.html