>With this config what size drive shaft spacers should I
If you stay SPUA, we'd probably recommend a 1" spacer with the Mlinks. If you are SPOA, then a 1.25" spacer for your setup. We can discuss this more if you would like to call us sometime.
>I have longer shocks at the moment but do I have to fit
>longer shock towers and shocks as soon as I fit the >missing links?
You don't HAVE TO get longer shocks. However, that you are putting Mlinks onto your vehicle suggests you are hunting for max articulation. Staying with your current shocks will limit your wheel travel. In order to best use the Missing Links to their fullest potential, you would want to modify your shock mounts to get the longest possible shocks on. We have a couple bolton shock mounts for this reason.
>What size brake lines should I change to?
The longest possible. We carry 7" longer rubber brake lines. All stainless lines (besides the fact that they are brittle and break) are too short. They only come up to about 3" longer than stock. Very much too short when you go to SPOA and/or extreme travel suspensions. Stay away form the stainless lines. Any company that sells them is doing their customers a disservice and only trying to maximize profits. Quality companies with serious 4wheelers like us, Trail Tough, and Higher Heights will only sell rubber. Get long rubber lines!
>Any other missing link info that anyone can think of would
Our website has a load of info there and pics of the Missing Links are scattered throughout since we're the ones that pioneered the system.
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