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Steve223
19th August 2013, 06:58 AM
Hello,

Together just wounding whether someone has suggestions
where to purchase or possibly has some rock sliders for D2
For sale?

After searching I found some post about a AULRO member manufacturing
them for a good price but the post are quite old without any updates
I PM'ed user but have not heard back yet.

Cheers

Steve

clubagreenie
19th August 2013, 10:49 AM
Here's my take on them. Set me back about $280- all up for materials, fasteners and tooling for retained nuts.

https://www.aulro.com/afvb/images/imported/2013/08/678.jpg

Sits under the sill, uses the original holes along the face of the sill with rivnuts and button head cap screws and 4 large cap screws underneath, the heads are recessed into the bottom so there's nothing to hang up on.

Added the extensions later, just a 90deg at each end and straight tube between

https://www.aulro.com/afvb/images/imported/2013/08/679.jpg

Cannon
19th August 2013, 11:09 AM
APT Fabrication for Land Rover parts - Home (http://www.aptfabrications.com.au/)

Try these guys. :)

Steve223
19th August 2013, 12:39 PM
APT Fabrication for Land Rover parts - Home (http://www.aptfabrications.com.au/)

Try these guys. :)

That looks good :-) DPL has one as well but it does not spread over whole sill and just has 2 or 3 mounting points.

RisingSun
19th August 2013, 09:08 PM
I put together a set for myself costing about the $150 mark.

Things to look at are a slight curve is needed to match the door line if it concerns you.
Some attach to the chassis others to the sil.

I ended up making 4 stirrups of 4 mm flat bar about 100mm wide, 2 bolts per stirrup that go all the way through the sil, then clamp the stirrup to the sil.

I made mine a little wider then needed for the kids, although it is nice to watch people swing there door into the disco and you hear a dull gong sound. Knowing that they have slammed the door into the sliders and not the vehicle :D.

Overall as a 100kg man jumping up and down on them they are rock solid, rock slider??? using the sil perhaps not, but they will definately beef up the protection over the standard plastic.

clubagreenie
20th August 2013, 07:46 AM
You can use a high lift under the edge of mine without movement. I've landed a big hit once and twisted the sill but a bar in between the outer tube and actual protector bent it back. It wouldn't have mattered how it was made for that tough, something was going to give.

twr7cx
20th August 2013, 11:00 AM
APT Fabrication for Land Rover parts - Home (http://www.aptfabrications.com.au/)

Try these guys. :)

Direct link:

APT Fabrication for Land Rover parts - Discovery 2 Sliders (http://www.aptfabrications.com.au/component/hikashop/product/174-discovery-2-sliders)

clubagreenie
20th August 2013, 11:15 AM
I've been doing some casual work for a friend installing non slip stair nosing, they use alluminium extrusion which they fill the grooves that would otherwise have rubber inserts with a carbumdium/resin mix. I'm working out a mixture that doesn't slump as much to allow me to have a "paint-on" non skid finish. Can be mixed to any color (even black) or glow in the dark.

Has promise as it will last forever as long as I can get a decent key to the steel and can even be painted over with minimal effect on grip. Hoping to come in at <$20- for enough for a vehicle treatment, in are size for example my coverage measures about 8lm x 110mm across. Which I think is pretty cheap, especially when you consider it's pretty much one stage and it's done just about forever.

trevor
20th August 2013, 11:36 AM
I bought some rock sliders second hand from Triumph rover spares. I think maybe around the $300 dollar mark including postage though cant remember exactly.

RisingSun
20th August 2013, 05:10 PM
Hi Trevor,
Do your sliders attach to the chassis or sil?

They look identical to the set I made (referring to the post in the D2pics)

trevor
20th August 2013, 06:49 PM
Almost certain through the chassis but will check when I finish work. Here is a pic of mine.

EDIT: just noticed you already said you saw them. Well here it is for those that didn't see :p

Disco Muppet
20th August 2013, 08:02 PM
Chassis mounts on a D2 have far too much flex for them to be effective rock sliders.
Mount them to the sill, make it strong and you shouldn't have any dramas.
As Clubagreenie says, you can always bend it back.

RisingSun
20th August 2013, 08:46 PM
I am tempted to put some 100mm x 100mm x 5mm angle or something similar to tie all the stirrups together and give that continual sliding/protective quality, although it is all extra weight.

trevor
20th August 2013, 10:39 PM
Mine is like a box that wraps around and then insert bolts to make it secure. It's been fine for a year now (touch wood) and don't see any stronger way to attach these sliders.

winaje
21st August 2013, 07:22 AM
Almost certain through the chassis but will check when I finish work. Here is a pic of mine.

EDIT: just noticed you already said you saw them. Well here it is for those that didn't see :p

Nice pic, these are the ones that were made by 4x4de. Steve, these are what I have.

greendisco2
21st August 2013, 09:59 AM
hi mate heres a pic or 2 of mine and i have a spare set in the shed :D

SPROVER
21st August 2013, 10:32 AM
Very nice green disco.Did you make those yourself? Want to sell the other ones?:D

Steve223
21st August 2013, 10:56 AM
hi mate heres a pic or 2 of mine and i have a spare set in the shed :D

Very nice, feel like doing another set and selling it?

twr7cx
21st August 2013, 11:04 AM
My sliders (manufactured by the previous owner) mount to the sils with an L shaped piece.

The sils on my vehicle have a ridge on the inside, so I'm not sure how you could enclose these unless you flattened the ridge.

I'll take pictures tonight.

Redback
21st August 2013, 11:36 AM
Very nice, feel like doing another set and selling it?

I made my own as well, mine are now on Yorkies D2.

Here are mine on my old D2

http://img.photobucket.com/albums/v293/bazzar/Discomods008.jpg (http://smg.photobucket.com/user/bazzar/media/Discomods008.jpg.html)

http://img.photobucket.com/albums/v293/bazzar/Discomods010.jpg (http://smg.photobucket.com/user/bazzar/media/Discomods010.jpg.html)


Have a look at this guy, Hendrik makes sliders for the D2 at a good price, give him a PM.

http://www.aulro.com/afvb/verandah/120091-d1-d2-rrc-defender-rock-sliders-aulro-special.html

Baz.

greendisco2
21st August 2013, 12:56 PM
hi guys yep will be making some more very soon just need to get my shed back they should around the 550 + postage if needed i will keep you all informed as to when.thanks,tony

twr7cx
21st August 2013, 01:09 PM
hi mate heres a pic or 2 of mine and i have a spare set in the shed :D

Any pictures of underneath to show how they are mounted?

Steve223
21st August 2013, 02:37 PM
Does someone have DPL's sliders? He initially wanted $900 but now wants to make me a better price.
Apparently they are sill and chassy attached.

Redback
22nd August 2013, 09:08 AM
Here's Hendriks mobile if anyone is interested in supporting a forum member.

0448180077

Baz.

greendisco2
22nd August 2013, 09:11 PM
mine are bolted through the holes already in the sill all the way along with crush tubes on all bolts and a plate on the inside its a pretty solid set up:twisted:

Steve223
23rd August 2013, 06:19 AM
mine are bolted through the holes already in the sill all the way along with crush tubes on all bolts and a plate on the inside its a pretty solid set up:twisted:

Sorry but any idea when yours will be available? Would depend on how long I would need to wait whether to buy DPL ones or yours as I have a few trips coming up

Steve223
25th August 2013, 05:07 PM
Direct link:

APT Fabrication for Land Rover parts - Discovery 2 Sliders (http://www.aptfabrications.com.au/component/hikashop/product/174-discovery-2-sliders)

They look good and also quite nicely priced, will give them a call Monday

twr7cx
25th August 2013, 05:40 PM
Not very good photographs, but as I mentioned earlier, the previous owner made up some sliders for my D2a. I have since cut them a bit shorter for the larger tyres though and bolted on some side steps.

https://www.aulro.com/afvb/images/imported/2013/08/371.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_2329_zpsd3f0ccf0.jpg.html)
https://www.aulro.com/afvb/images/imported/2013/08/372.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_2331_zps8b77b7e3.jpg.html)
https://www.aulro.com/afvb/images/imported/2013/08/373.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_2330_zps694c27ae.jpg.html)
https://www.aulro.com/afvb/images/imported/2013/08/374.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_2332_zps14678f97.jpg.html)
https://www.aulro.com/afvb/images/imported/2013/08/375.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_2333_zps963bee92.jpg.html)

Steve223
27th August 2013, 10:39 AM
Ok I put an order in for

2 x APT Rock Sliders (yohttp://www.aptfabrications.com.au/discovery-2/product/174-discovery-2-slidersu)

as well as 2 x Slider Differential Guard (http://www.aptfabrications.com.au/discovery-2/product/15-slider-differential-guard-af1055) (AF1055)

and a Steering guard | Discovery 2 | AF1025 (http://www.aptfabrications.com.au/discovery-2/product/31-steering-guard-discovery-2-af1025)

Should be delivered in 2-3 weeks.

cheers

Steve

ozscott
13th September 2013, 09:27 PM
Do the APT sliders reduce clearance at all? Or do they go down only tiny bit under the sill?


I had LR side steps (weak and not sliders) on my D1 and they sucked up a fair bit of clearance.

Cheers

Steve223
14th September 2013, 09:03 PM
Do the APT sliders reduce clearance at all? Or do they go down only tiny bit under the sill?


I had LR side steps (weak and not sliders) on my D1 and they sucked up a fair bit of clearance.

Cheers

Supposedly not should receive them next week and will let you know

Mr.Bear
21st January 2015, 04:55 PM
Hi Steve223,
How did the APT sliders go?
I'm interested in getting a set myself, just wondered if you had any feedback, cheers / Andy

iPom
22nd January 2015, 05:46 AM
I've had a set on my D2 for three years now. Very happy with the fit, quality, strength and they have survived numerous gnarly bashings in the Glass House Mountains. They have certainly saved my D2 from damage.

I would happily recommend them and Ben from APT is a top guy to deal with.

Dave

iPom
22nd January 2015, 06:35 AM
Some Photos For You


http://https://www.aulro.com/afvb/images/imported/2015/01/514.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_18352_zps9980746b.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/515.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_18342_zpsd20a1de0.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/488.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1635_zps56465e7a.jpg.html)



http://https://www.aulro.com/afvb/images/imported/2015/01/516.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1634_zps3cb3a6a9.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/517.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1638_zps5377c21d.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/518.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1637_zpsc2700583.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/519.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1636_zpsb9280abc.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/520.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/IMG_1639_zpsde0b94bf.jpg.html)


Cheers Dave

twr7cx
22nd January 2015, 08:16 PM
Dave,

Can you put up a picture of the underside?

https://www.aulro.com/afvb/images/imported/2015/01/488.jpg

Do the bolts go all the way through the rails?

From the above picture it looks like some of them did not line up properly?

iPom
22nd January 2015, 08:40 PM
Sure thing Scott .. But I'll do it the morning ok.

It's not bolted right through though, It bolts to M? rivnuts/nutserts we fitted into the sill. Ben from APT fitted it with me and he only fitted x amount of the allocated holes - not sure why, but he said that was more than enough to support the weight. Because the slider is cupped around the sill/box section, I guess the bolts are there to locate and stop lateral movement. Either way it's stood the test of time and I can confidently say it hasn't moved etc.

I'll take some high res pics in the morning and post them up for you.

Dave

iPom
22nd January 2015, 08:48 PM
They are also a tight fit fit onto the sill, we had to use a jack and a rubber mallet to fit them.

Mr.Bear
22nd January 2015, 10:22 PM
Thanks for the pics Dave, they do look good, I ve been umming and ahing over the stubbie version - very similar to yours without the step plate. I think I'll organise a set tomorrow.

Bens is a top guy, I already have one of his steering guards, he is a pleasure to deal with.

Cheers / Andy

Steve223
23rd January 2015, 08:17 AM
Hi Steve223,
How did the APT sliders go?
I'm interested in getting a set myself, just wondered if you had any feedback, cheers / Andy


I sent them back, they where not fitting well, the holes where not correctly aligned and to be honest the design of how they are attached did not feel strong and well balanced. Bought the DPL sliders which give slightly less sill clearance but fit perfectly and have served me well so far.

ozscott
23rd January 2015, 10:07 AM
Love mine. Ben did a slighlty custom design for my nakeds...

iPom
23rd January 2015, 06:32 PM
As promised Scott here's some more photos ... Apologies for the delay but it's been pelting it down all day (100mm plus) and the Disco can't fit in me shed with the new lift and roof rack on :mad:.


http://https://www.aulro.com/afvb/images/imported/2015/01/325.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0508_zps139f9d8c.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/326.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0507_zps092fb1cd.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/327.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0506_zpse7d6c59c.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/328.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0505_zps93c9308d.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/329.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0504_zps9730d079.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/330.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0503_zps89818636.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/331.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0502_zps31a97554.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/332.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0501_zps17ff0ea0.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/333.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0500_zpsf4690247.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/334.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0499_zps20bf0858.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/335.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0498_zpsf89a14ac.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/336.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0497_zps509bc40e.jpg.html)


http://https://www.aulro.com/afvb/images/imported/2015/01/337.jpg (http://s370.photobucket.com/user/3Broons/media/Land%20Rover%20Discovery%202%20TD5/_DSC0496_zps6570e84b.jpg.html)


If you need any more specific ones let me know Scott ... Happy to help.

Dave

twr7cx
23rd January 2015, 07:38 PM
I bought a welder and built my own rock sliders/side step/tree hugger combination after fitting the LRA White Tiger Stage 2 flares and larger tyres - the bigger tyres were hitting on the old rock sliders and they were too long after the guard cuts.

https://www.aulro.com/afvb/images/imported/2015/01/319.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_4481_zpsrugaqax5.jpg.html)
https://www.aulro.com/afvb/images/imported/2015/01/320.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_4477_zpsxry5o9jc.jpg.html)
https://www.aulro.com/afvb/images/imported/2015/01/321.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_4478_zpsth43yvcx.jpg.html)
https://www.aulro.com/afvb/images/imported/2015/01/322.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_4479_zpsa1izsxqe.jpg.html)
https://www.aulro.com/afvb/images/imported/2015/01/323.jpg (http://s1185.photobucket.com/user/twr7cx/media/IMG_4480_zpsjnyfcovc.jpg.html)

The reason I was asking about the APT Fabrications product is that in comparison they seem a bit 'lighter'. I'm not trying to be rude towards Ben, I met him last year when I called into his workshop and purchased his shock towers - great guy and a nice setup - and I'm sure he probably knows what he's doing - so perhaps mine are overkill. But as you can see with mine instead of nutserts I have used M12 bolts all the way through with nylocks on the other side. I have nutserted the underside (as didn't want to drill all the way into the cabin) and used M6 bolts there (the slider rails are below the bolt heads so shouldn't be an issue with them catching).
My L plates that cover the sills are either 6 or 7mm thick and the SHS is 3mm.
It looks like with the APT ones the sill is boxed in, I didn't do this due to the lip and instead used an outer slide rail setup.

My next step is to cover the top in aluminium tread plate. I priced it up the other day and it's only available in 2400 x 1200mm sheets (which is obviously far more than I need) in 0.9, 1.6mm or thicker. I think 0.9mm will be too thin and am looking at trying out the 1.6mm.

Steve223
24th January 2015, 05:44 AM
I like the square ones and my next design will be square as well. my TF a sliders on the Defender took a good hit at Climes and show the limitations of the round design. Mark with the 130 and square sliders hit the same rock and it only scratched the paint. 8972489725

what I did not like on ATP design is that the Disco sills are weak and the U design uses them to anchor the sliders (from memory with only 4 x 6 or 8 mm bolts). Ben (who is a very nice guy) made a custom set for my cut arches but even though I sent images and all measurements they where reversed (longer in rear) so without hassle Ben took them back (great service from ATP)

ozscott
24th January 2015, 08:53 AM
Never seen a dented disco sill with good sliders mounted under sill....

Disco Muppet
24th January 2015, 10:14 AM
Steve.
It's not showing the limitations of round slider designs.
It's showing the limitations of TerraFirma ****.
I'd be willing to say that it wouldn't have happened on a set of quality sliders.
And you say you don't like that they mount to the sill....
Where else exactly would you like them to mount?
Chassis? Where they flex like crazy and you bend them up into your door?
As per Scott, have seen one or two Discos where big (and I mean BIG) hits have bent the sill upwards slightly, but never dented. Plus if you do manage to do that, a bar in between the box section and the nerf bars and they easily bend back into shape.
Food for thought.

Thingy
24th January 2015, 12:01 PM
What are peoples thoughts on the blunt ends, on the nerf bars, compared to curved / angled ends ?

Tombie
24th January 2015, 05:14 PM
Guys.. 22mtr radius curve... Put one in it will ya!
That huge gap looks awful :)

ozscott
24th January 2015, 09:39 PM
Personal preference, ALTHOUGH, I worry about potential hook up with blunt ends if way too close to something. I know that by that stage you are denting guards but I still don't like the idea of hook ups. Cheers

Steve223
25th January 2015, 06:59 AM
Steve.

It's not showing the limitations of round slider designs.

It's showing the limitations of TerraFirma ****.

I'd be willing to say that it wouldn't have happened on a set of quality sliders.

And you say you don't like that they mount to the sill....

Where else exactly would you like them to mount?

Chassis? Where they flex like crazy and you bend them up into your door?

As per Scott, have seen one or two Discos where big (and I mean BIG) hits have bent the sill upwards slightly, but never dented. Plus if you do manage to do that, a bar in between the box section and the nerf bars and they easily bend back into shape.

Food for thought.


Yes agree with TF stuff would not buy any again, square has higher side impact resistance the round though, yes also agree ideally I have ATP design with another square inside the U which sits tight against the top. My DPL sliders have not bent upwards yet and have had quite a few proper nocks 8978689787

Fast Freddie
12th March 2015, 02:04 PM
I like the look of the APT stubby sliders.
APT Fabrication Custom Land Rover Parts & Accessories - APT Stubbie Rock Sliders | Discovery 2 (http://aptfabrication.com.au/land-rover-rock-sliders/product/272-apt-stubbie-rock-sliders-discovery-2)
I reckon that, if they don't stick out so far, they'll hook-up less and, if they are hitting less logs and rocks, they are sure to bend less and mess-up the sills less too.
If they do make contact, is seems to make sense that, if the contact point is closer to the car, there will be less leverage applied and therefore less potential damage to either the slider itself or the sill.
Has anyone got any experience with the stubby design or any further general comments about the APT fit & finish?

twr7cx
12th March 2015, 05:23 PM
Guys.. 22mtr radius curve... Put one in it will ya!
That huge gap looks awful :)

Please explain.

Steve223
12th March 2015, 06:51 PM
I like the look of the APT stubby sliders.

APT Fabrication Custom Land Rover Parts & Accessories - APT Stubbie Rock Sliders | Discovery 2 (http://aptfabrication.com.au/land-rover-rock-sliders/product/272-apt-stubbie-rock-sliders-discovery-2)

I reckon that, if they don't stick out so far, they'll hook-up less and, if they are hitting less logs and rocks, they are sure to bend less and mess-up the sills less too.

If they do make contact, is seems to make sense that, if the contact point is closer to the car, there will be less leverage applied and therefore less potential damage to either the slider itself or the sill.

Has anyone got any experience with the stubby design or any further general comments about the APT fit & finish?


Same issues I mentioned previously and sometimes it's quite good to have emailed stick out more just ask my Defender 91633

Saved me from panel damage here

Tombie
14th March 2015, 03:13 PM
Please explain.


The sill on a D2 has a curve based on a 22mtr radius.

It means the sliders then follow the sill, not leaving a bloody awful gap up the front...

The difference is in the details....

driftwagon
29th March 2015, 08:21 PM
Hi all just wondering if any one has had to use a Hi lift on their Sliders and if they have much movement. Just looking at making a couple of sets with a mate as we have some steel laying around. Just looking at something that can take a big hit and a fair weight. Thanks in advance

joel0407
30th March 2015, 02:06 AM
The sill on a D2 has a curve based on a 22mtr radius.

It means the sliders then follow the sill, not leaving a bloody awful gap up the front...



I wonder if some well calculated welds would be enough to bow the sliders up?

I mean if using RHS for the slider, run a weld across the RHS every 150mm or whatever works. The contracting of the weld as it cools will bow the RHS.

Once you work out what gives the correct bend, every 150mm, 100mm, 200mm or whatever, then do the whole length.

I'm going to make some after a recent dent to my door from laying over in mud.

Happy Days.

clubagreenie
31st March 2015, 08:50 PM
I have used a hi lift, just to check. Also put some weight across them with the winch to see if they will at least hold sideways. A bit of twist on lift, landed a big hit off road and they twisted the sill (~~ 5mm) but a large bar put it back.

Joel, depends on how they're fitted. Mine sit under the sill, plus a vertical flat plate that uses the OEM holes for nut insert, so no bending. Just painted out the area black.

But it will also depend on the size/thickness of the RHS. mine are 100x50x4 by memory. So not much chance. And they'll hold 100bar of pressure as air storage.