Sorry for the late reply. I like the shafts that taco put up, they seem good. I have some fabrication experience, I have made up an entire roll cage for the said beast of mine... have it bolted on instead of just on the body posts. I was going to make body panels for it, but decided against it. So I think fabricating 4-link mounts, brackets, a-arm lockouts, etc won't be too difficult with the right amount of homework on my part. I have scrapped the idea of using crawler links from the madstone based on how much effort it would take to make my own links. Would much rather make my own with revo link ends, plus that way I can get the wheelbase that I need. Those sliding shafts would make that part a breeze haha I'll definitely take a look at those summit shafts to see if I could use them. I have to look at the output shafts on the center diff to make sure it's 8mm or not. I know the shaft on the diffs are 8mm though, and would like to say that the center is the same, but I'm not 100% certain. I'm thinking of making a bracket of sorts to mount up my bottom links under the chassis and making a different bracket that will mount on to the top of the chassis for the upper links. I'm going to be buying another aluminum chassis to hack up for the foff so I can get proper clearances for the links/ shafts. Will probably have to relocate the radio box, throttle servo, fuel tank etc so it everything can fit properly. Hardest part is getting all the extra parts for it, and I have a hobby shop near where my son goes to karate that will carry most of the parts I would need for creating the links, and it wouldn't surprise me if they have the shafts I would need... But probably much more expensive than online. Then Canadian tire for all the metal materials that I would need for brackets, etc. Thanks for the help and input guys, much appreciated.

ps taco: that is a sweet rig you got built there