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Old 08-24-2015, 11:15 AM
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Rubicon springs/shocks on JKU Sport?

Are Rubicon springs and shocks worth the upgrade on a Sport?

I can get the springs for $100 or with shocks for $175. They supposedly have 30 miles on them.

Also has rear driveshaft for $250. Wondering if it's worth it.

I have a Teraflex leveling kit going on soon and going to do 33" for now.

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Old 08-24-2015, 11:23 AM   #2
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What is the spring number on your springs and what is the spring on the Rubicon?

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Old 08-24-2015, 11:28 AM   #3
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To be clear, there are no Rubicon springs, just springs with different free lengths. It's entirely possible your sport has the same springs as the Rubicon had. Could be different too... The best results are achieved when adding 4dr springs to a 2dr.

There are tags on the springs, read the last 2 numbers before the 2 letters. The fronts range from 12 to 19 and the rears from 52 to 60. Each number is approximately 1/4" longer than the previous number. So 4 numbers (like 14's to 18's) will give you about 1". Make sense?

As for the Rubicon shocks, I found them to be an upgrade at near stock ride heights. If you add much lift, you should replace the shocks with a longer shock and add the appropriate bump stops. Then you are making a noticeable upgrade.
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Old 08-24-2015, 11:31 AM
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Cool. I'll check mine and wait to see what his say.

I'll think I'll pass on shocks. Rather put that towards some better shocks
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Old 08-24-2015, 12:37 PM   #5
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Did this with my JKU put 19's on the front and 60's on the back with rubicon shocks. Gave me a mild lift and a better ride. Bought springs, shocks and all the control arms, bump stops etc. from a guy who had the dealer put a lift on his Rubicon before he took delivery. Paid $100 for all of it. Craigslist is great. Cheap upgrade definitely noticeable when parking next to a stock sport.
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Old 08-24-2015, 12:37 PM   #6
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Just to add a note since I did this last weekend (4dr springs on a 2 dr). I went from 14 to 17? (may have been 18) in the front and 55 to 59 in the rear. I gained about 3/4 of an inch up front and an inch in the rear. YMMV though.
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Old 08-24-2015, 03:16 PM   #7
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The shocks are actually worth it over the black ones! I did the Rubicon swap about a year ago and the difference in the ride is almost like going from a Corvette to a Cadillac! If you don't plan on upgrading anytime soon, I would definitely get the shocks along with the springs.
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Old 08-24-2015, 03:20 PM   #8
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The shocks are actually worth it over the black ones! I did the Rubicon swap about a year ago and the difference in the ride is almost like going from a Corvette to a Cadillac! If you don't plan on upgrading anytime soon, I would definitely get the shocks along with the springs.
So which shocks/springs did you use? Was the ride not as harsh on road?
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Old 08-31-2015, 03:35 AM   #9
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I went from 14/55 springs to 19/59 and the red factory shocks of a Rubicon.
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Old 08-31-2015, 04:45 AM   #10
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I recently found a full set of '15 Rubi shocks on Craigslist for $30. Jumped on those to replace my '08 standard shocks that had about 70k on them. What a HUGE difference they made!! Would have been worth what your seller is asking
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Old 08-31-2015, 09:29 PM   #11
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I did same as Scott 2373. Purchased from CL a set of 19/59 springs and shocks take offs from a '14 JKUR for my '13 JK sport for $200. Haven't put them on yet but will in a week or so. Included was the OEM steering stabilizer. Is it worth swapping this piece out too?
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Old 08-31-2015, 11:12 PM   #12
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I did same as Scott 2373. Purchased from CL a set of 19/59 springs and shocks take offs from a '14 JKUR for my '13 JK sport for $200. Haven't put them on yet but will in a week or so. Included was the OEM steering stabilizer. Is it worth swapping this piece out too?
You're going to LOVE the new ride and the added height. I got about 1.5". As far as the steering stabilizer, it's the exact same on all models. No advantage in replacing it.
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Old 09-02-2015, 07:28 PM   #13
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Great! I'm looking forward to the lift and ride. Thanks for the feedback!
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Old 11-10-2015, 09:10 PM   #14
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I've got 57s in the back of my 2007 and found some 2015 JKU R Hard Rock springs 60s . I'm thinking the 2015 springs have to be better over my old 07s? Not looking for height as much as new springs and Rubicon shocks. Sound about right?
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Old 11-11-2015, 05:55 PM   #15
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My fronts on my 07 are 17s and the 15 hard rock Rubicon's are 18s. I'm just guessing that because my jeeps springs are 8 years old and lighter duty, that the 15 Rubicon's 19/60s will do me some good.
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Old 11-16-2015, 08:00 AM   #16
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I just swapped out my 2DR soft top Sport springs and shock for JKRU hard top springs. I gained 1.75 on the front and .75 on the rear. I have after market bumpers and winch which I would imagine accounts for the difference in sag due to the stock springs are affected more by the winch and bumper weight.
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Old 11-16-2015, 09:42 AM   #17
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Originally Posted by jamesbernatchez View Post
Are Rubicon springs and shocks worth the upgrade on a Sport?

I can get the springs for $100 or with shocks for $175. They supposedly have 30 miles on them.

Also has rear driveshaft for $250. Wondering if it's worth it.

I have a Teraflex leveling kit going on soon and going to do 33" for now.
to bad you aren't in pick up range, I have some springs I would sell you for $50
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Old 11-16-2015, 11:36 AM
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I ended up with Rubicon shocks, 10A front springs and 59s in the rear. I also removed one, 1" puck from the front and still gained a bit overall.
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Old 04-05-2017, 12:05 PM   #19
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Can you put Rubicon/Willy's takeoff control arms on a Sport? Is it as simple as bolt on?

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