PFranLEDs now offers LED interior kits for 4th generation (2002-2009) 4Runners.
You can find them here:
4Runner - Interior kit (4th Gen.) - PFran LEDs
I am working to build out kits for the other model years and they should become available in the next few weeks.

You can find them here:
4Runner - Interior kit (4th Gen.) - PFran LEDs
I am working to build out kits for the other model years and they should become available in the next few weeks.