Rough Country has a 6" lift for 2wd 04's that include sway bar end links. They have a chat on their website where I'm sure support can point you towards ordering them separately.
There's no way to get stock sized end links to work. I tried everything and, at that time, was only putting some small lift cups on the springs. The end links snap like twigs.
I heard about people fabricating blocks to relocate (drop) the sway bar mounts down.. essentially making it as if the sway bar was never lifted, but I'm skeptical.
The only other end links I've found (I searched hard for a long time) were online, and they were adjustable like a turnbuckle.. but they were well over 100 bucks and it wasn't too reassuring when I could never get a reply from support.
Rough Country will rely almost immediately during business hours. I believe they also have an option for someone to text you, but not positive. I'm 100% about the live chat, though.
If you search your model truck on amazon and include "Rough Country 6" with the search, you'll be able to see the end links I'm talking about in one of the pics.
Edit: You're also going to have a hard time finding shocks that aren't stock. Same thing for shocks as I mentioned for end links, but if you know the length and travel you're after, "KYB Monomax" has a website that lists all shock part numbers to their dimensions. Personally, I can't wait to pull mine off and get the RC shocks on, though. Monomax rides extremely stiff.. and after almost two years, they are still way too stiff. And I do a lot of heavy hauling and trailer towing..
Just stick with RC.