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Old 08-16-2020, 12:27 AM #31
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Definitely interested in these...
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Old 08-16-2020, 02:00 PM #32
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Quote:
Originally Posted by Bill Z View Post
Interesting, but if they have the same specs as the N-FAB sliders I'd be concerned about how much protection they'd actually provide:

N-FAB
.120" wall and 1.75" tubular steel

As compared to Shrockworks
2" square tube with a 0.1875" wall and 1.75" x .0.120" round tube

Your going to have less underside protection with the N-FAB sliders for sure but at roughly $450 for the OEM vs $775 for the Shrockworks they may work
If these are the N-Fab RKR rails or made by N-Fab, then they will protect the body, but they will be sacrificial. I say this based on my friend's experience w/ the N-Fab RKR on his SR5 - he says he's used his RKR rails to slide against rocks where it squared off the bottom of the tubing; it still protected the body. (In an unrelated accident, his insurance company replaced his N-Fab RKR with a new set)

In my personal experience, I left the steps on my RKR rails and came down on rock at the edge of the driver-side step. It bent the edge of the step slightly. No other bend on the rail.

I'm going to guess that if Toyota offers a factory rock rail, then it will have to: a) offer adequate protection, yet b) pass federal crash regulations.
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Old 08-16-2020, 07:16 PM #33
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Looks like a good middle option, better than nothing at all but doesn't look as strong as the various aftermarket options.

Visually comparing them to the RSB sliders that I just installed, there's less surface contact area between the slider and the frame due to smaller mounting plates. So the force of landing on a rock will be concentrated on a smaller area on the frame. Could it dent the frame or would some other area on the slider fail before that? No idea.

Also, the connection between the frame and the mounting plates look less robust than the aftermarket options, which is expected given it's lighter weight.

My guess is this option is good for the majority of the offroading/overlanding folks out there, the ones who just do light to moderate stuff. The ones who really expect to drop their truck on the slider have already put the beefiest stuff on there already.
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Old 08-17-2020, 08:45 PM #34
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Do these work with KDSS?
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Old 08-18-2020, 12:38 PM #35
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Quote:
Originally Posted by VLPZ760 View Post
Here you go, they bolt to the frame
VLPZ760,

Any use as a step or too close to the body?
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Old 08-18-2020, 12:39 PM #36
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Found an eBay listing for these from a Toyota dealer, and they are listed as "W/O KDSS":

2014-2020 Toyota 4runner W/O KDSS OEM Rock Rails / Rock Sliders Pair PRO/TRD/SR5 | eBay

You can check with your local dealer's parts department, but this listing seems to indicate that they are NOT compatible with KDSS.

These look A LOT like the Toyota Accessories Rock Rails that they sell for the FJ-Cruizer (but they are a different part number). Looking at the pictures, they are tucked-in pretty tight to the body and don't seem to stick out nearly as far as most aftermarker sliders, so it's unlikely that they will offer any lateral protection when leaning against a rock on the sides (I guess that's why Toyota doesn't call them "sliders"). Also, the frame and intertube crossmembers are fabricated from plates instead of tubes, so those particular areas might not slide across rocks as easily.

Having said all that, due to the fact that they are bolted to the frame rails, they should be a lot stronger than any bars that are only bolted to the body's running board mounts, and should be better at protecting the rocker panels.
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Old 08-18-2020, 12:52 PM #37
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Anyone know if they would work on 5th gens from 2010-2013?

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Old 08-18-2020, 01:16 PM #38
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Quote:
Originally Posted by Jeff_DML View Post
VLPZ760,

Any use as a step or too close to the body?
They are too close to the body, they will not work as a step
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Old 08-18-2020, 11:07 PM #39
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Rock Rail Right-Hand 4RNR PT228-89190 | Boch Toyota South

Rock Rail Left-Hand 4RNR PT228-89191 | Boch Toyota South

Rock Rail Hw 4RNR Pr PT228-89190-HW | Boch Toyota South

$195.xx each + HW. Shipping may be expensive.
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Old 08-19-2020, 12:22 PM #40
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Quote:
Originally Posted by nwebb01 View Post
Anyone know if they would work on 5th gens from 2010-2013?

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Based on how close to the body these mount, I think that would depend upon which version of side skirts you have on the rocker panels. If your's are high and tight like a '14+ SR5, Trail, TRDOR, or TRDP, then you're probably fine. If not, you could swap in the tighter side skirts, or just take your side skirts off and leave them off.

I don't think they changed the hole pattern on the frame rails, based on the fact that most aftermarket sliders are spec'd for 2010-2020.
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Old 08-20-2020, 05:34 PM #41
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I picked up my set today and will be installing them in a few hours.
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Old 08-20-2020, 06:22 PM #42
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Quote:
Originally Posted by beedee View Post
I picked up my set today and will be installing them in a few hours.
Throw some pics up after they’re on if you don’t mind sir.
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Old 08-20-2020, 07:36 PM #43
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Ok guys, I just finished installing mine and EACH RAIL BOX CONTAINED HARDWARE. So I didn't need to order the hardware, even though I ordered two bags (one for each rail).

Install took about 30 minutes by myself. I found if you remove the brake line screw closest to the rear bracket it allows you to move the line a bit and get a good angle with the socket.

All you need is a 12mm socket for this install, I used two jack stands to set the rail on to get them into position. I started with the rear most bracket, and the bottom hole. Then went to the middle bracket (only one hole) and then the front bracket, bottom hole. From there I snugged them up a bit, but not too tight. Then I inserted the front upper bolt, and then the rear upper bolt. While pushing up on the rail to get it as high as I could, I then snugged them down tightly.

For what its worth, mine didn't come with any instructions, but its pretty self explanatory once you look at it.






Last edited by beedee; 08-20-2020 at 08:06 PM.
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Old 08-21-2020, 07:51 AM #44
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Quote:
Originally Posted by beedee View Post
Ok guys, I just finished installing mine and EACH RAIL BOX CONTAINED HARDWARE. So I didn't need to order the hardware, even though I ordered two bags (one for each rail).

Install took about 30 minutes by myself. I found if you remove the brake line screw closest to the rear bracket it allows you to move the line a bit and get a good angle with the socket.

All you need is a 12mm socket for this install, I used two jack stands to set the rail on to get them into position. I started with the rear most bracket, and the bottom hole. Then went to the middle bracket (only one hole) and then the front bracket, bottom hole. From there I snugged them up a bit, but not too tight. Then I inserted the front upper bolt, and then the rear upper bolt. While pushing up on the rail to get it as high as I could, I then snugged them down tightly.

For what its worth, mine didn't come with any instructions, but its pretty self explanatory once you look at it.





Doesn’t appear like they are at all useable as a step like some aftermarket options?
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Old 08-21-2020, 08:22 AM #45
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Quote:
Originally Posted by Jadough View Post
Doesn’t appear like they are at all useable as a step like some aftermarket options?
I'd be curious if the N-Fab steps could bolt up to these rock rails.

RKR Detachable Steps Only | Step Systems - N-FAB | N-FAB

The mounting system looks similar but the bolt holes and taps might not line up.
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