Dobinsons Suspension options for 2024+ Land Cruiser 250 Series / Lexus GX550

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kerner said:
Noticed on the website it listed them as both in stock and available for backorder. Any guess on the lead time?
Click to expand...
In stock (available for backorder) means that item is in stock.

Om backorder means it's on backorder and not in stock.

Some arrived today
 
merbesfield said:
What do you offer that is considered a mild lift or even a leveling kit? I am not looking to go big or cause any changes to the ride characteristics of my current stock LC250 1958. Just want a little something. Running Falkin WP 285/65 x18’s on TRD Pro wheels
Click to expand...
You could add 2" front lift and leave the rear coils stock to level it. Or add a little to the rear with 15mm spacers or the lowest height rear coils Then front struts and rear shocks to match. Twin tubes would be the lowest price option.
 
crikeymike said:
You could add 2" front lift and leave the rear coils stock to level it. Or add a little to the rear with 15mm spacers or the lowest height rear coils Then front struts and rear shocks to match. Twin tubes would be the lowest price option.
Click to expand...
Is the 2 inch lift too much because it seems like the other leveling kits say 1.5 inches? What would be the reason for going with 15 mm spacers in the back versus lowest height, rear coils? How would all of this affect the ride characteristic of the vehicle? Thank you.
 
merbesfield said:
Is the 2 inch lift too much because it seems like the other leveling kits say 1.5 inches? What would be the reason for going with 15 mm spacers in the back versus lowest height, rear coils? How would all of this affect the ride characteristic of the vehicle? Thank you.
Click to expand...
Yes, it would be a little too high in the front, which is why I suggested adding the rear spacers. They're cheaper than coils, so if you're trying to keep your costs down, that's the ticket. If you want better performing rear coils, then go with those low height rear coils.

Ultimately with all shocks and coils replaced, it will keep the vehicle more stable in corners and turns and respond faster to uneven terrain and washboard roads.
 
@crikeymike Could you verify dimensions or how you measured for the extended and compressed lengths for the IMS and MRA front shocks you have listed?

I measured my stock front 250 strut, from top of strut mount to center of the lower bushing eye.
My measurements were:
Compressed: 19.44" (494mm)
Extended: 24.25" (616mm)

Assuming you measured the same, if the extended Dobinson shocks are 453mm compressed and 624 extended, then the Dobinsons would have only 8mm more extension but have 41mm more compression. But the extra compression wouldn't be usable because the LCA is on the bump stop at 494mm.
We must be measuring differently, or can you shed any light on this?

The models you have measurements listed for are the extended travel versions right? I'm guessing you just haven't had the standard travel versions in hand yet to measure?

Thanks!
 
cruisergreen said:
@crikeymike Could you verify dimensions or how you measured for the extended and compressed lengths for the IMS and MRA front shocks you have listed?

I measured my stock front 250 strut, from top of strut mount to center of the lower bushing eye.
My measurements were:
Compressed: 19.44" (494mm)
Extended: 24.25" (616mm)

Assuming you measured the same, if the extended Dobinson shocks are 453mm compressed and 624 extended, then the Dobinsons would have only 8mm more extension but have 41mm more compression. But the extra compression wouldn't be usable because the LCA is on the bump stop at 494mm.
We must be measuring differently, or can you shed any light on this?

The models you have measurements listed for are the extended travel versions right? I'm guessing you just haven't had the standard travel versions in hand yet to measure?

Thanks!
Click to expand...
Those are specs Dobinsons gave.

Pin top and eyelet bottom are measured from the bottom of the pin to the center of the eyelet. Yes, extended travel on a strut is usually only about 8-10mm longer, as you can't do more without blowing CV's.

Right, the standard lengths haven't come out yet, so no specs on those.

Pulled this off the net for reference

1743617610797.webp
 
crikeymike said:
Those are specs Dobinsons gave.

Pin top and eyelet bottom are measured from the bottom of the pin to the center of the eyelet. Yes, extended travel on a strut is usually only about 8-10mm longer, as you can't do more without blowing CV's.
Click to expand...
Ok, thanks. So my measurements are too long because I measured with the strut top still on. I guess I'll wait until I can take the shock apart.

Does anyone else have a stock separate front shock lying around after a suspension upgrade that they can measure?
 
crikeymike said:
Just added the 2 front twin tube strut options and the rear twin tube shock options to the first post. I originally thought Dobinsons weren't going to offer the classic twin tubes for these platforms, but they decided otherwise. Front struts are due soon, rear shocks are in stock already.

Also added the new twin tube suspension kit pages. FYI, GS refers to Gas Shock, the nickname Dobinsons have used for twin tubes forever, so GS59-440 means "gas shock" for example, where as IMS... and MRA... designate those types of shocks.

​

Click to expand...

What is the on-road ride quality difference between the GS and IMS shocks? It seems most of the performance differences online discuss differences at speed off-road. Thanks!
 
westla4x4 said:
What is the on-road ride quality difference between the GS and IMS shocks? It seems most of the performance differences online discuss differences at speed off-road. Thanks!
Click to expand...
This summarizes the difference between the shock differences.

exitoffroad.com

Choosing the Right Shock: A Comparative Guide by Dobinsons Suspension

Discover the differences between Twin Tube, IMS, and MRA shocks offered by Dobinsons Suspension, along with comparisons to other popular brands. Make an informed decision for your 4x4 with our comprehensive guide.
exitoffroad.com exitoffroad.com
 
crikeymike said:
This summarizes the difference between the shock differences.

exitoffroad.com

Choosing the Right Shock: A Comparative Guide by Dobinsons Suspension

Discover the differences between Twin Tube, IMS, and MRA shocks offered by Dobinsons Suspension, along with comparisons to other popular brands. Make an informed decision for your 4x4 with our comprehensive guide.
exitoffroad.com exitoffroad.com
Click to expand...
So, I'm a huge fan of on-road handling, and I want to install a winch bumper with brush guard (I live in deer country) and a 10K-12K winch on my new 1958.

Would the 2": IMS strut/coil set up keep me close to factory height and give me the drive characteristic I seek? If so, what would be a good rear shock/coil set up to match it? Not planning on hauling a lot of weight in the rear. Thanks!
 
Last edited:
Dingotech said:
So, I'm a huge fan of on-road handling, and I want to install a winch bumper with brush guard (I live in deer country) and a 10K-12K winch on my new 1958.

Would the 2": IMS strut/coil set up keep me close to factory height and give me the drive characteristic I seek? If so, what would be a good rear shock/coil set up to match it? Not planning on hauling a lot of weight in the rear. Thanks!
Click to expand...
The final ride height would depend on how heavy the front bumper and winch are that you put on there. It will probably drop 1/2-1" below the 2" lift height (being 1-1.5" lift over stock), but I don't think it will come all the way down to stock height. Any idea how heavy the combo will be?
Or you could use the IMS struts with the stock coils and just add a bit of preload to keep it as close to stock height.

In the back, it would be the C59-883V for sure, to keep it low, and with the IMS59-60441 shocks.
 
I'm guessing that the combo will weigh no more than 200#. Perhaps retain the stock coils and just replace the struts/shocks? I also have the roof rack option, so there's a bit of extra weight in the back. Thanks again for your assistance.
 
Dingotech said:
I'm guessing that the combo will weigh no more than 200#. Perhaps retain the stock coils and just replace the struts/shocks? I also have the roof rack option, so there's a bit of extra weight in the back. Thanks again for your assistance.
Click to expand...
You're welcome. Yeah, you can go with the stock front coils to start, and always buy a different set later if you need something taller or stronger.
 
Front diff drop kits finally came in for the 250 Series.

DD59-644K - Diff drop kit for Land Cruiser 250 and 2024+ Tacoma
 
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