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Mopar Rock Rails

15K views 31 replies 17 participants last post by  JamesKuL  
#1 ·
As my final premeditated mod until bumpers are available I wanted to do a quick writeup on my experience. I didn't take any pics, there are tons of videos out there of an install as well as Rubicon (where the TH got it's TrailRated badge) , Moab and more.

This is about my hopes and dreams, which in the end were met with a smile.

I really dislike the look of the other option of rock rails. Although much better in person, still not to my liking. I decided, after a long, long deliberation that spending 2.5x more was a better choice.

Ordered from Morris 4x4. Rails arrive timely but the box and contents were a mess. (sound familiar?) Rails in tact, but missing about 10% of the mounting hardware. I inquired about replacements which were sent out same day and arrived as I asked before my weekend install.

I should have thought a bit more about this process, of course the second rail went on in 30 minutes, the first took 2 hours. Regardless, these rails are 45 lbs each, fit like a glove and finish the look of the side like you'd not expect. Gives the vehicle and nice weight and look the stock rockers didn't have.

All in all I'm very happy with my purchase. Can't wait to try them out, put some scrapes in the sides and abuse them like an unfortunate (fill in the blank).
 
#3 ·
Good on ya for making the choice you made. I'm tempted by those Mopar rails too... too bad they are so much more... but I think they are a better solution too. I'm sure the owners of the "other option" will chime in.... :)

A little disconcerting they still came with missing hardware... but maybe that is simply a problem with the dealer you bought from. But sounds like they resolved it quickly. Anyway... I don't quite get how these suppliers can be so off on their quality control.

So what did you miss/screw up in the first part of the process that got squared away in the 2nd?
 
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#4 ·
Attached are the pics I took today @Spider-Man.

Most rail are square, these, although straight, have a nice angle to at the door as well as match the angle front and rear to the wheel well. I do like the look of a step, but feel the Mopar GC rails step looks better as they are all round tube vs flat metal supports. Next, these require drilling only 4 holes (2 on each side) which is actually not to make a new hole, but to allow the nut-serts to fit correctly. All the holes are existing and don't need to be expanded. There are 2 metal sheets formed and welded together to make the shape of the rail, not just some square or round steel tube. Last image shows the shape from the instructions.

@monkeyboy

A) I didn't have the rails sitting under the vehicle so I ended up putting 2 nut-serts in the wrong holes. Thankful I was missing 6 of each from the original package and Morris sent me about 20 of each nut-sert and screws.

B) I didn't think to use my drill to initially seat the nut-serts so I spend an hour of uncomfortable positioning for something that took about 10 minutes with a drill and finish them with the torque wrench vs the entire process with wrench.

C) The rails are designed to be lifted mostly into place, insert the underside screws first then the door panel. First go around we hung from the door panel and tried over and over to everything aligned.
 

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#5 ·
Thanks for the up-close pics. The color does match pretty well, but the welding at the ends doesn't look as clean as I'd like for the price of over $1k. However, I might end up getting these if I purchase rails merely because I don't have to drill rust-holes into my vehicle.
 
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#6 ·
Looks awesome! And thanks for the info.

I would think those sloping top rails would help shed mud/slop/snow instead of it getting packed under the door.


Sent from my iPhone using Tapatalk
 
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#7 ·
I agree, the welds are not that pretty. But they are solid. Thinking they use apprentices for the rails. All the good welders are working on important parts ;)

I did shoot some anti-rust paint (fill in popular brand name) as the exterior hole wasn't new but the drilling was into a second interior sheet. If the nut-serts were about 1/8" shorter this hole would not be needed
 
#8 ·
I do have those rails, I like them. they can take the weight of the TH no problem. They are easy to touch up with paint after a nice day in the trails.
Only one complaint though, mud acumulates inside... before winter I will have to raise the front and hose off the mud from the front by a gap and let that mud drain trough the holes at rear of the rails.
 
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#9 ·
Just looked up the price in CAD ...$1700 !! Plus 12% tax in BC , Might as well take my pants down and shaft me at the counter :frown:
 
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#12 ·
How long and how thick are the plates?
Doesn,t look hard to manufacture. It's "just" two bended plate welded together with plug at each end. The problem is to get the measures correctly.
 
#13 ·


Changing the design to this might be easier to figure out. It less sexy, but much more cheaper and as much effective (maybe more). For weight, we can stay with 1/8" thick plate and tube. the rectangular tube have to be determined.
 
#16 ·
Changing the design to this might be easier to figure out. It less sexy, but much more cheaper and as much effective (maybe more). For weight, we can stay with 1/8" thick plate and tube. the rectangular tube have to be determined.
Based on the angles and tolerances, I'm going to doubt you'll get a good fit without some real engineering. I asked a fabricator, he quoted me 20+ hours @ $100/hour So the Mopar ones are half price :)
 
#17 ·
I'm mechanical engineer (technician), have a TH and have access to a garage at my job with good tooling inluding welding.
My design is quite simple once you have your measurments. Pretty easy if you have a Mopar kit on hands!!!

The only problem is that I'm not that interested into manufacturing kit for many people. It's time consuming for very thin profit. I will probably do one for me, but it's not on the top of my wish list. I'm actually working on a tow bar instead.


As for the water infiltration, you just have to fill the corner (top and bottom) with some kind of silicone (paintable). The welding will not be on all the legth, so silicone between seems.

Pretty sure you can have a complete kit for less than half the price of the Mopar unit. (considering I do not sell my time!)
 
#19 ·
Sorry for the thread hijack DZ , But I have just been to my local dealer and got a price for these , I really like them and would buy a pair now ..But this is the price he quoted me , Makes the other company seem quite cheap , Dealer said he would knock 10 % off , And I bought my TH here as well . Oh well back to the drawing board :(
 

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#20 ·
I got 25% off at a dealership from Mascouchefor being a member of club Jeep Montreal. The profit margin on those is big, I'm sure you can get more than 10%, you have nothing to loose to try to get more discount, and + you are a good customer. Go for it man! Go go go!:wink::wink::wink::wink:
 
#23 ·
They don't. But I will say after I removed the plastic rockers the vehicle had a nice height look to it. Almost wanted to go bare, but that would be silly. ?
 
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#28 ·
I have been searching the forums since the beginning of the week. I am not sure what corrosion protection is being quoted but the pretreatment before powder coat is pretty simple and not worth much if the coating is breached. I found that Rocky Road Outfitters has a very similar set of sliders at a much lower price. There are no scissor jack pockets and they use rubber grommets with inserts to secure the rails. I am going to investigate using Rivnuts in place of the grommets like the Mopar kit. I will let everyone know what I find out.

http://www.rocky-road.com/jeep-cherokee-kl-rock-sliders.html
 
#31 ·
I have been searching the forums since the beginning of the week. I am not sure what corrosion protection is being quoted but the pretreatment before powder coat is pretty simple and not worth much if the coating is breached. I found that Rocky Road Outfitters has a very similar set of sliders at a much lower price. There are no scissor jack pockets and they use rubber grommets with inserts to secure the rails. I am going to investigate using Rivnuts in place of the grommets like the Mopar kit. I will let everyone know what I find out.

http://www.rocky-road.com/jeep-cherokee-kl-rock-sliders.html
The rubber grommets are not what provides the rigidity of the RRO rails. It is the bolts that go through the pinch weld underneath that do all of the work. The powder coating on them is garbage. If you go with RRO make sure you coat them (with bedliner I think is best) before you install them. If you get any snow where you live make sure to buy the filler panels at the same time. You will regret it if you don't.