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Discussion Starter #1
Hi everyone,

I've just bought 2011 Wrangler 4-Door 2.8 CRD automatic transmission. I want to lift it 4" and use 37 tires.

I plan to buy this kit:
https://teraflex.com/shop_items/528ffa7fead962f416e72d4f

Or this kit:
http://www.rubitrux.com/aev-dualsport-sc-suspension-lift-kit.html

1-) If I buy any of these kits, do i need any extra parts to use my vehicle safelt?

2-) Do I need to change my gear ratio? What is the stock gear ratio?

3-) Do you have any lift kit advice on 1.5k-2.5k USDprice range for 4-4.5" lift?

Thanks.
 

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I would personally run 35's and a 3.5/4.5 aev lift.

Thought if you really want 37's I would assume at least 4.56 gears and some new front end parts. synergy ball joints etc
 

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Hi everyone, I've just bought 2011 Wrangler 4-Door 2.8 CRD automatic transmission. I want to lift it 4" and use 37 tires. I plan to buy this kit: https://teraflex.com/shop_items/528ffa7fead962f416e72d4f Or this kit: http://www.rubitrux.com/aev-dualsport-sc-suspension-lift-kit.html 1-) If I buy any of these kits, do i need any extra parts to use my vehicle safelt? 2-) Do I need to change my gear ratio? What is the stock gear ratio? 3-) Do you have any lift kit advice on 1.5k-2.5k USDprice range for 4-4.5" lift? Thanks.
One thing to remember lifts almost always end up higher then whats listed. I would not install 4" coils on a JK unless super heavy. Last thing anybody wants is a 5" plus lift and a jeep that handles like crap.
Why do you want to go so high only running a 35" ?
 

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Discussion Starter #4
One thing to remember lifts almost always end up higher then whats listed. I would not install 4" coils on a JK unless super heavy. Last thing anybody wants is a 5" plus lift and a jeep that handles like crap.
Why do you want to go so high only running a 35" ?
I want to run 37 tires, not 35, thats why I want at least 4" lift.
 

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I'm running 37's on a 3.5" lift but I do have MC flat fenders. I also re-geared to 4.56 and changed my axles and ball joints to Dynatracs. It's not cheap to run 37's if you want to run them the right way, especially if you plan to wheel it. :happyyes:
 

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What is your upgrade budget?
 

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To answer your questions, I prefer a more inclusive lift than the Teraflex you listed. This 4" kit from them has all the parts: https://teraflex.com/shop_items/528ffa7fead962f416e72d2f

I run their 3" kit (formally marketed as Mopar) with 37s here: https://teraflex.com/shop_items/564a12e356d70ed493132c1a

Less complete kits invite MANY problems in handling and comfort, best to do it right the first time.



Second, I encourage you to consider 35" tires. 37s will require axle reenforcement (c gussets and truss or sleeves) ball joints will fail quickly, axle shafts (rear) tie rod ends & drag link ends will wear more quickly too. Also a re-gear to get back trans shift points and performance.

If you do a forum search for 37 tires you will find all the info you need.

Good luck :thumb:
 

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Discussion Starter #8
I think I will go with 3" lift and 35 tires after I read the comments. Running 37 will be so costy for me.

What about budget boosts? I will not be using the car off road, I am just making 3" and 35" for the look, I will use it on road only.
 
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