What You will Need
RE 3.5" TJ Super Flex Suspension Lift
Doetsch Long Travel Shocks
Adjustable Front Track Bar
SYE/CV Drive shaft (Recommended)
Adjustable Rear Upper Control Arms
Currie Rear Shock Extensions
• 13,15,18,19,21mm Socket/Wrenches
• 5/16,3/8,9/16,3/4" Socket/Wrenches
• Ratchet
• 3" & 12" Ratchet Extension
• 1-1/2" Crescent Wrench
• Torque Wrench - 130 ft.lb. Capacity
• Breaker Bar
• OEM #27036 Spring Compressors
• Grease Gun
• Torx T-55 Bit
• Standard Ratchet
• Torque Wrench
• Hand Drill
• Metal Drill Bits
• Tie-Rod End Puller
• Pickle Fork
• 2 - Jack Stands
• 2.5 Ton Floor Jack or Better (21")
• Wheel Chocks
• PB Blaster
• White Lithium Grease
• Hammer

What Comes with the
Rubicon Express
3.5" TJ Super Flex
Suspension Lift?

• 1" T-Case Lowering Kit
• Sway Bar Disconnect Adapter Bracket
• Rear Sway Bar End Links
• Rear Track Bar Relocation Bracket
• Rear 1.5" Bump Stop Extension
• 3" Front Coil Springs
• 3" Rear Coil Springs
• Front 2" Bump Stop Extensions
• Front Stainless 3" Steel Brake Lines
• Fixed Front/Rear Control Arms
• Sway Bar Disconnects w/6" Centers

Related Write-Ups
Advance Adapters Slip Yoke Eliminator
& High Angle Driveline CV Drive Shaft

Off Road Only U-Turn Steering System

Goodrich Stainless Steel Brake Lines

JKS Swaybar Quicker Disconnects

JKS Bar Pin Eliminators

Doetsch DT8000 Shocks

Currie Lower Shock Mount Extensions

TeraFlex Adjustable Front Trackbar

Air Lift Suspension
Rubicon Express 3.5" Jeep TJ
Super Flex Suspension Lift

Looking to grow your Jeep up and make it more capable on the trail but can't decide on which lift kit to get? Well, I'd recommend getting a Rubicon Express 3.5" Super Flex Suspension Lift. With the exception of new and longer shocks, this kit pretty much comes with everything you need to get your Jeep lifted over 3". Also, Rubicon Express has a long history of making great quality Jeep suspension products that will give you piece of mind on the trail.

As complete as this kit is, I will say however that it's still a far cry from everything you 'really' need to do a lift of this height right. In addition to this kit, I would highly recommend picking up an adjustable front track bar, better sway bar link disconnects and most importantly, a Slip Yoke Eliminator (also known as an SYE), CV Drive Shaft and adjustable rear upper control arms. Yes, you could get away with just dropping your transfer case skid plate using the drop kit supplied with the lift, but why would you want to loose all that belly clearance that you just paid a bundle to lift? Something you will have to answer for yourself.

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Here is a pic of all the parts you will get when you purchase your Rubicon Express 3.5" TJ Super Flex Suspension Lift. As silly as it sounds, one of the things I really like about Rubicon Express components is the plain metal or silver finish they have.

1. Begin this project by parking on level ground and if you live in the rust belt of America, spray all the bolts you will need to work on with some PB Blaster the night before.

2. Put your Jeep in gear, engage the emergency brake and chock your rear wheels.

3. Disconnect your front sway bar links from the axle using a Torx T-55 bit. The top part of the link is attached to the swaybar itself by a tapered stud. In other words, even after you remove the nut securing this bolt, the darn link will still be stuck on the swaybar and near impossible to remove. The easiest way I have found to remove tapered studs is by using a tie-rod end puller (see pic to the left). Simply slip it over the sway bar and then proceed to ratchet it down until the link pops off.

4. With the sway bar links off, loosen but do not remove your front wheel lug nut, jack up the front end of your Jeep from the axle and then set it back down on jack stands placed behind the lower control arm mounts. Proceed to remove your wheels and then place them behind the jack stands underneath the frame rails for added protection. Continue to support your front axle with the help of jack stands and/or with floor jacks.

5. Unbolt your shocks from the axle using a 13mm deep socket and wrench. Then, remove the nuts securing the shock to the upper stud mount using a 9/16" wrench (wrench size may vary depending on make). You may need a pair of pliers to hold the stud in place while you unscrew the nuts.

6. Using a 13mm socket or wrench, remove the front spring retaining clamp from the driver side of your Jeep. With a very few exceptions of year or country, there should be no retaining clamp on the passenger side.

Now, remove your front track bar. You will need a 15mm socket to remove the lower mount on the axle. Then, using a pair of needle nose pliers, remove the cotter pin from the ball joint stud connection where the track bar is attached to the driver side frame rail.

8. Loosen but do not completely remove the castellated nut, insert the pickle fork in between the frame rail bracket and the rubber ball joint boot and then tap it with a 3 lb. hammer until the stud mount pops loose as shown in the pic to the right. Leaving the nut on the stud just prevents the whole track bar from falling once it comes loose.

9. Remove the castellated nut and then lower the track bar down. Now remove the bolt and flag nut attaching the track bar to the axle and pull the whole thing out.

10. Remove your brake lines and install your new extended stainless steel lines provided with the Rubicon Express Super Flex Suspension Lift. I already had a set of stainless steel brake lines on my Jeep and the installation write-up for it can be seen here: Goodrich Stainless Steel Brake Lines

Now, slowly lower your front axle as far as it will go. If you're starting out with a stock height Jeep, your springs should just about fall out at this point and time. If you're starting out with taller springs like me, you will most likely need the help of spring compressors to remove your front coils.

12. Drill a hole through the center of the bottom spring perches using the appropriate size drill bit (a tiny bit smaller in diameter than the bolts you are using). Then, pre-thread the holes you just drilled by ratcheting on the self-tapping bolts. Make sure to do this slowly and back out often to create clean threads. Do not mount the bump stop extension at this time as it will make installing your new coils very difficult.

13. Jack up your front axle a bit and support it with jack stands. Remove the lower control arms from the frame rails and axle using a 21mm socket and a crescent wrench. A breaker will come in handy here as the bolts are seriously on tight.

Back at your work bench, assemble the right angle zerk nipples onto all the lower control arms using a 3/8" wrench. Make sure that the zerk nipple is facing back towards the length of the arm and pointing out just a bit for easier access once it's installed on your Jeep.

15. Install your new lower control arms with the rubber bushing at the frame and the zerk nipple facing up at the axle mount. re-use the factory hardware at the frame and the new grade 8 bolt, washer and lock nut supplied with the Rubicon Express Super Flex kit on the axle end. Do not fully tighten these bolts until your Jeep is back on the ground.

16. Using your spring compressors, compress your new coils enough to make it easier to install. Slip the bump stop extension and your new coils into place at the same time and then affix the bump stop extensions to the spring perch using the self-tapping bolt supplied as shown in the pic to the left. Re-install the spring retaining clamp.

Install your new and longer shocks. I am running Doetsch DT8000's and the installation write-up for them can be found here:
Doetsch DT8000 Shocks
18. Install your new sway bar links according to the instructions that come with them. I have a set of JKS disconnects and the installation write-up for them can be found here:
JKS Sway Bar Link Quicker Disconnects

19. The Rubicon Express Super Flex Lift instructions say you should re-drill your front track bar axle mount 3/4" towards the driver side of the Jeep and then re-install your factory track bar, but I would recommend you buy and install a new adjustable track bar instead. I have one made by TeraFlex and the installation write-up can be found here:
TeraFlex Adjustable Front Track Bar

20. With your new front track bar on, re-install your wheels, lower your Jeep back on to the ground, torque your lug nuts to 95 ft. lbs., tighten the lower control arm frame mount bolts to 130 ft. lbs. of torque and the axle mount to 85 ft. lbs. of torque. Chock your front wheels and then head on over to the back of your Jeep.

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