Looking at 3.5” - Readylift vs JKS?

[rharr]

Rockkrawler being mentioned by no one else here is completely wild

I am happy with my rk kit, I have the adv kit with fixed length lower control arms and rubber bushing because I didn't need that extra 1" of flex or want to be bothered adjusting control arms. I N my experience once a control arm length is set then they are never touched again, so why pay more money for something that can wear and I need to adjust, rk did their homework and the kit works. I rather spend money high quality shocks then adjustable arms.

Don't get me started on geo brackets, those are a band aid for a poorly designed kit.

Rk kits give you all the stuff you need to get a good riding truck, that is why they are more money usually cause you are getting more parts that address other issues as you lift the truck.

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[JT1]

I am happy with my rk kit, I have the adv kit with fixed length lower control arms and rubber bushing because I didn't need that extra 1" of flex or want to be bothered adjusting control arms. I N my experience once a control arm length is set then they are never touched again, so why pay more money for something that can wear and I need to adjust, rk did their homework and the kit works. I rather spend money high quality shocks then adjustable arms.

Don't get me started on geo brackets, those are a band aid for a poorly designed kit.

Rk kits give you all the stuff you need to get a good riding truck, that is why they are more money usually cause you are getting more parts that address other issues as you lift the truck.

Geo brackets have a benefit you can't get with anything else except going long arms.

Once you are above 3.5" of lift, angles are angles, and the lowers on JLs and JTs are angled significantly. The geo brackets change that control arm angle. They aren't just for caster changes.

 

[Wheelin98TJ]

I am happy with my rk kit, I have the adv kit with fixed length lower control arms and rubber bushing because I didn't need that extra 1" of flex or want to be bothered adjusting control arms. I N my experience once a control arm length is set then they are never touched again, so why pay more money for something that can wear and I need to adjust, rk did their homework and the kit works. I rather spend money high quality shocks then adjustable arms.

Don't get me started on geo brackets, those are a band aid for a poorly designed kit.

Rk kits give you all the stuff you need to get a good riding truck, that is why they are more money usually cause you are getting more parts that address other issues as you lift the truck.

The benefit with adjustable arms is they allow for fine tuning to account for differences between rigs.

Geo brackets have a benefit you can't get with anything else except going long arms.

Once you are above 3.5" of lift, angles are angles, and the lowers on JLs and JTs are angled significantly. The geo brackets change that control arm angle. They aren't just for caster changes.

TJs with 4" of lift and short arms can ride very good. And they have much shorter 16" lowers and 13" uppers. I'm not convinced a JT needs drop brackets or long arms at 3.5"+ of lift.

 

[arosen1997]

Ive had the JKS kit installed on my JTS since Feb of 2020 and I cannot complain about anything. Went with the Jspec shocks and they were well tuned for what they were. I have the geometry corrections tabs or whatever they are and my alignment is fine, tracks straight as an arrow. I will say the rear springs on the JKS kit aren't 3.5 inch springs, they're probably 2" springs (the factory take will be gone once you install the kit). I recently swapped them out for Clayton 3.5 inch springs and got almost 3 extra inches in the rear, but the Clayton springs run a bit taller than advertised from what I've seen, or maybe the JKS springs has settled in that much, who knows.
I still have everything from JKS in the front. I love the quick disconnects for the swaybar but since you're in a Rubicon that doesn't matter anyway.

 

[JT1]

The benefit with adjustable arms is they allow for fine tuning to account for differences between rigs.

TJs with 4" of lift and short arms can ride very good. And they have much shorter 16" lowers and 13" uppers. I'm not convinced a JT needs drop brackets or long arms at 3.5"+ of lift.

I can tell you at 4.5 measured on mine, over broken frost heaved pavement, drop brackets make a massive difference even on this gen Jeep in keeping you in your lane at 50 or 60mph.. and wheeling rocks and ledges, I’ve only bumped a bracket once.

At spacer levels, they’re not needed, but at this lift height, they are a benefit

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