Correct. The bolt in kits add less than 1/2" of lift depending on your spring length. We offer the weld in kit for the guys looking to use these in a custom application or wanting to add lift to their XJs. It's not as easy to install as our bolt in system but that's part of the game.

Typically I suggest a zero rate spring or a small block if someone wants an extra inch. We run a 1" block in the rear of the LII XJ with our prototype traction bar system and have no issues.

Oops, did I let a cat out of the bag?

The slider boxes are designed to stiffen up the unloading and side to side feeling of the typical lifted XJ. In an offcamber situation you will feel the rear end shifting around a bit, that is 100% associated to the long shackle pivots. The rear of the jeep is pivoting on the shackle bushings. By eliminating that pivot point you gain a lot of stability.

Travel numbers really depend on the spring. These will give no more or less travel then a typical shackle relocation bracket.

Speaking of that, our relocation brackets are in production right now and will be released before the end of the week.

^^ I like this guy.......

Do you plan on selling slider boxes with lift built in in the future? I don't have the skills/resources to do so myself.

This is a possibility but the more lift we add the more vulnerable they become. As of right now there have been a few reports of the boxes bending from contact with rocks. We hope to have cured this issue with our new gusset systems. By adding lift this puts them further into the rocks.

Like I said before, I suggest a 1" block with a traction bar or the correct size leaf packs. We are working on some leaf packs specifically for use with the slider boxes that would incorporate an orbit eye style bushing to help with flex a bit.

Ultimately we are working toward developing a complete XJ suspension system which runs our leaf packs, slider boxes, traction bar system, and hidden three link up front. That's a little ways out but it gives you an idea of where we are headed.

Maybe a good set of skids for the back side of the slider boxes would help? That would help spread out some of the impact energy and hold the boxes together to prevent them from bending.

By "back side of the slider box" I mean the last two, maybe three inches of the slider box. That would be enough to hold it stable but not to interfere with the leaf spring movement.

Do you have any pictures of the new gussets welded in, so we can see how the back end was beefed up?

Unfortunately no I don't. I haven't even gotten those gussets from the laser cutter yet. They will be on the next batch of production and I will be sure to post up pictures.

If you don't have severe direct contact with rocks, the original design works fine. They are 1/4" cold roll steel and it takes a lot to bend them. The new gussets will wrap around the back side of the leaf area to stiffen everything up.

So you're saying that the relocation boxes are better for downward droop/flex then right? I never noticed any rear end shifting in mine but it is an interesting theory. I've heard about this with the Teraflex shackles. I'm trying to get more travel out of the rear not less. I already have the extended shackles and longer rear shocks. But I was curious to see what these were about. Ok, so instead of 2 pivot points (upper and lower shackle bolts/bushings) there is now only 1 pivot point which is the 1 bolt and poly spacers along the sliders? I'm just trying to get the concept here. Thanks for the replies.

Are you guys going to clearance out the remaining stock of your current design?

Correct there is only one pivot point now, which is the bushing on the leaf spring.

We were sold out of the old design making the new ones up right now.

Bolt on Shackle Relocation Brackets coming very soon!!

Do you expect sliders to prolong the life of the leaf spring?

The sliders aren't going to extend the life of the spring. mainly due to you're still putting the leaf through the same type of abuse. The Plus side it is a smoother motion which equals a nicer ride.

Do the new sliders give you any lift at all? Or is it possible to have some custom built for an extra 1.5" or so?

^^ i was wonderin the same thing