JBA new and improved vs RRO upper control arms? - Jeep Commander Forums: Jeep Commander Forum
Suspension / Lifts This is the place to discuss the suspension, lift systems, and other stuff underneath your Jeep Commander

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post #1 of 54 (permalink) Old 06-23-2013, 04:43 PM Thread Starter
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JBA new and improved vs RRO upper control arms?

Just wondering if anyone knows what the clearance is between the two. My old jba arms hit the strut/coil.

2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.
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post #2 of 54 (permalink) Old 06-23-2013, 06:25 PM
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The new JBA arms were designed to fix that issue.

The RRO arms don't have that issue, BUT, they have KJ UCA bushings. I didn't realize that until i was installing them and noticed the difference. Downgrading to a smaller/lighter duty bushing isn't exactly the direction I wanted go to.

If i was buying arms today, I'd spend the extra and get the newer JBA arms.
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post #3 of 54 (permalink) Old 06-23-2013, 07:03 PM
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X2 on the new JBA's. I have the old version JBA's and haven't had any issues. So the new ones will be much better since they resolve the clearance issues




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #4 of 54 (permalink) Old 06-23-2013, 07:56 PM Thread Starter
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Thanks. Im going to order the new ones . going to go with the jba's. I let you know how they are.

2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.
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post #5 of 54 (permalink) Old 06-24-2013, 12:13 PM
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Should I also get new upper control arms if I get a 2" ome lift?


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post #6 of 54 (permalink) Old 06-25-2013, 07:24 PM Thread Starter
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The arms are not necessary. The do help in getting a better alignment and reliving the angle of the upper ball joint.

2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.
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post #7 of 54 (permalink) Old 06-25-2013, 09:55 PM
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Quote:
Originally Posted by rjhj View Post
Should I also get new upper control arms if I get a 2" ome lift?


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If you have the extra money I'd say get them. No one was ever able to get my front end aligned properly in the past and I had an issue with cupping tires. Got the JBA UCA's and my tires are wearing perfectly and got the alignment dead on. Well worth the money! Plus the added strength of the ball joints and arms them self make it a nice mod




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete

Last edited by 07JeepXK; 06-25-2013 at 09:57 PM.
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post #8 of 54 (permalink) Old 06-27-2013, 12:35 AM
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Thx


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post #9 of 54 (permalink) Old 06-27-2013, 08:20 PM Thread Starter
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Got the new uppers today. I haven't installed them yet. Here are some pictures of old and new JBA's.


2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.
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post #10 of 54 (permalink) Old 06-27-2013, 08:21 PM Thread Starter
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2006 Jeep Commander, 5.7 Hemi, OME 2" HD Lift,Robby spacers,New and improved Jeepin by AL UCA,265/70/17 Fierce Attitude on XD Spy 17x8 with +18 offset,Magnaflow Cat Back,4xGaurd Matrix w/hoop,Mopar Chrome side steps, Chrome door handles,Chrome Fuel door,Chrome Jeep bug deflector,AVS window vents,Home made roof lightbar, 2009 Mygig with lockpick,Backup camera.
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