I'm Ryan from extremeterrain.com and this is my review and installation of the Rock
Krawler Max Travel Lift Kit System, fitting your two door, 2007 and up, JK.
Today we're gonna talk through the installation of this lift kit, which is going to be getting
two out of three wrench install and a strong two out of three wrenches at that.
There are quite a few different components to install with this lift kit.
You can certainly do this in your driveway in probably around four hours.
But if you're not comfortable ripping your entire suspension apart, then it would be
a good idea to take this to a shop and have it installed.
However, we'll talk more about the installation in a minute.
We're also gonna talk through the construction and a few of the features of this kit.
This lift kit is for those of you looking to add three and a half inches of lift to
your JK, to be able to run a 35 or even a 37-inch tire, especially with flat fenders,
and are looking for a kit that is very well built, that is very complete, and you have
the budget for it.
This kit is gonna be around $2,100 without shocks and you are going to need new shocks
for a three and a half inch lift.
But, this kit is also going to give you excellent ride and handling characteristics on the road,
as well as a ton of articulation and a ton of performance off-road.
This is also going to be built from components that are going to hold up incredibly well
with on-road and off-road.
So, if you have the budget for it, if you're looking for a very complete kit and you want
that performance, I think this is going to be a great kit to take a look at.
However, if you're on the flip side of that coin, you just wanna run a 35-inch tire, you're
staying on the road, doing some real mild off-roading and you don't need or want the
performance that this kit offers, there are going to be some less expensive kits that
I would steer you toward.
But if you want, what in my opinion is one of the most complete and one of the best-built
kits available, I think that you're looking in the right place.
So again, this is the X-Factor system from Rock Krawler, which is their most complete
kit.
This is going to include all eight control arms, it's going to include both front and
rear track bars as well as the rest of the components you need to lift your jeep.
If you're looking for a kit that includes a few less components, but is still very high-quality
components and is still very functional on and off-road, you can look at the Max Travel
Kit.
That kit can always be upgraded to this kit by adding those additional components.
But if you want something that right out of the box has everything you could want to add
into your suspension, other than full axle assemblies, this is going to be an excellent
option to look at.
Now, right over here you start with your springs.
Again, these are going to provide three and a half inches of lift and this is going to
be a progressive rate spring.
And what that allows is for a very tall, uncompressed length which is going to ensure that all the
way through this suspension travel and all the way through your articulation, you're
still going to have some spring left.
You're not gonna run out of spring, you're still gonna have weight pushing on the spring,
which is pushing on the tire and giving you traction.
If you have a shorter spring as you articulate, there's no more weight pushing on that axle
and therefore, no more traction coming from that tire.
So these springs are very tall and compressed length and they're going to give you a ton
of off-road performance, as well as a comfortable on-road handling.
These springs aren't going to be a piece of your handling, it's mostly your shocks, but
again, because you are getting a progressive rate, you're going to get a bit of a softer
spring rate when you're on the road, which is going to give a nice comfortable ride.
Now, moving over to the control arms.
As I mentioned, this kit includes all eight control arms, all replacements, these are
all going to be adjustable control arms that you can dial in your pinion and your castor
in the front and your pinion angle in the rear.
And these are also going to be spherical joints on your control arms, which means that you're
not going to have that rubber bushing that can bind as you're trying to articulate off-road,
these are going to give you a ton of articulation.
These spherical joints are all rebuildable, they're all greaseable, and these are very
strong heavy duty control arms.
So as you're dragging them over the rocks, as you're dropping off of ledges, these are
going to hold up to any abuse that you can throw at them.
Now, getting back to the pinion and the castor angle, you don't need all eight control arms
in order to adjust your pinion and your castor angle.
And the Max Travel Kit has sort of the bare bones that you would want in order to adjust
those angles.
You're gonna want to get your pinion angle in front and rear back to a factory-like spec
so that you don't have any dry line vibrations or prematurely wear out your driveline components.
And you're gonna want to get the castor angle up front set properly, so you don't have that
flighty feel when you're driving down the highway so that your steering wheel wants
to recenter.
Having all eight control arms is, of course, beneficial, though, because as I mentioned
before, you're getting spherical joints on all of these control arms.
You're going to get the maximum amount of articulation and suspension travel with having
these control arms installed.
Moving on to what we have back here, which are going to be both your front and your rear
track bars.
Now, the Max Travel Kit just includes your rear.
With this X-Factor, you're also getting a very beefy front track bar that is of course,
adjustable.
These also have spherical joints on both ends so they're not going to bind up or limit your
suspension, travel, or articulation.
And outback, you're also going to get a very beefy track bar bracket.
This bracket is going to move the mounting location to more of a factory mounting location,
it's going to flatten out your track bar angle a little bit, help with your roll center.
It's going to give you back some of that factory handling characteristic that you would otherwise
lose by adding a big lift onto your jeep.
And this track bar bracket mounts in quite a few different locations.
It's going to mount to the factory track bar location.
It's going to u-bolt around the axle and it mounts in one other spot, so you're not going
to have any sway in the back of the jeep.
Sometimes when you raise the track bar mounting location, if the bracket's not really solid,
it can actually move a little bit and you can feel that going down the road.
This is a very well built, very solid track bar bracket.
You're not going to have that sway from this system.
And again, having the adjustable track bars in front and rear, ensures that you're going
to get your axles perfectly centered in both the front and the rear of the jeep.
Over here, you have an adjustable front sway bar end link, which is also a quick disconnect.
So you have all these spherical joints, and all these control arms, and all these track
bars, everything is going to be able to move really nice off-road.
But if you have your sway bars connected, that's going to be your limiting factor.
So, this is going to be an adjustable end link that will allow you to get your sway
bar angles proper, and you can also very easily disconnect them when you go off-road, taking
advantage of all of the articulation and travel that you get from the rest of these components.
This also comes with this nylon strap that you'll mount to the jeep, so when you have
that sway bar end link disconnected, you can swing it up out of the way, strap it so it's
not gonna fall down and bind or get bent in the suspension as you're off-roading.
This kit, the X-Factor, also comes with an adjustable rear sway bar end link, not quick
disconnect because you wouldn't want it to do that when you're off-road.
You can get a really unstable feel in your JK.
So you're gonna want to leave the rear's connected, which is why these aren't quick disconnect.
But again, they are adjustable so you can get that sway bar angle dialed in exactly
where you want it so that it doesn't become an issue when you are off-road.
Finally, this kit is going to include all four soft brake lines.
Now, there are kits on the market that will just include a bracket to move where the hard
line is mounted on the frame, so you can get away with using the factory soft lines.
I don't like that, especially on the front of the jeep, because in order to use those
brackets, you often have to straighten out the factory bends in the factory hard lines,
which I'd just rather not do.
So having a new set of lines like this, is something I really like.
I feel like it's the right way to modify your brake system so that it works with your new
taller suspension.
Now, it does add a little bit to the cost of the lift kit and it also adds a little
bit to the install because now you're breaking open the hydraulic system, you have to then
bleed out the brake system to make sure that everything is going to work properly again.
But, as I said, I think that that's the right way to do it, so I like that these are included
in this kit.
As I said, this kit includes a lot of components, pretty much everything that you would want
to add to your suspension if you're going with a standard control arm length suspension
setup.
And not only does it include a ton of components, they're all very, very high-quality components.
These are gonna last, they're gonna handle abuse on-road and off-road, they're gonna
give you a great ride and performance both on-road and off-road, and it's just a very
nice, very well put together kit.
As I said before, the install for this kit is going to be a two out of three wrenches.
You're gonna wanna give yourself around four hours to get it bolted up.
If you're not somebody who's comfortable with suspensions, with lift kits, you've never
done one before, you can still do this in your driveway, but just know it's probably
gonna take you a few additional hours.
You are gonna have to take every tool you have out of your toolbox to get this done.
It is fairly involved and there's no shame if you're not comfortable with doing this
and taking your jeep to a shop and having them install your lift kit for you.
Now the first step in the install is, of course, jacking up the jeep, support it by the frame
so you can lower or disconnect everything that keeps the axles from completely sagging
down.
That's going to be your track bars, your sway bar end links, your brake line brackets, and
of course, your shocks.
Once all of those components are removed or loosened, you can sag the axles down, pull
the coils out, reinstall your new, taller coils.
Now, before you put weight back on the axles, that's the time that you're going to wanna
install all of your control arms.
First, your going to wanna adjust those for length based on the parameters that Rock Krawler
gives you, then remove your factory control arms one or two at a time, and go ahead and
put your new control arms in place.
At the same time, while there's no load on the axle, that's when you'll swap out your
track bars and of course, install your track arm bracket.
And then, once there is a load on the suspension again, you'll go ahead and install your sway
bar end links.
At that point, you can also install your new brake lines and go through all of your proper
brake bleeding procedures.
So, you really are going to be touching about every piece of your suspension component by
installing this kit.
So you are going to need every tool at your disposal and quite a few hours, four or more,
to get this installed.
This lift kit comes in at right around $2,100 without shocks and you are going to have to
add shocks because this is a three and a half inch lift kit.
So, this is one of the more expensive kits that we offer.
It's also, as I've said over and over again, one of the most complete kits and it is built
with very high-quality components.
So I feel like I might be over-selling this, but at the same time, I don't think I am.
This is a very well-built kit that's very complete.
If you have the budget for it and you want a kit that's gonna perform on-road and off-road,
I would definitely recommend considering this lift kit.
So if you're looking to add a lift onto your JK to run a larger tire, but you also want
a kit that's going to perform very, very well on-road and off-road, and that's made up of
components that are very well-built and are gonna take some abuse, this is going to be
a really nice kit to take a look at, although you are going to have to have the budget for
it.
So, that's my review of the Rock Krawler X-Factor Lift Kit System, fitting all 2007 and up JKs,
that you can find right here at extremeterrain.com.
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