Rubicon Express Super Flex Links

100% Bolt-On Rubicon Express Super Flex Joint, 1/4" wall DOM tube lower links.

2007+ Toyota FJ Cruiser

FJ Cruiser lower link about to get re-arched and destroyed.

Rubicon Express Super Flex joint in an FJ Cruiser frame bracket.

Stock links from top to bottom: 1998 Isuzu Rodeo, 2007 Toyota FJ Cruiser & 1996 Toyota 4Runner.

Two sets of 4Runner links and a set of FJ Cruiser links. Notice that even the parking brake cable bracket has been increased from 1/16" to 1/4" wall.

Completed set of Toyota FJ Cruiser lower links.

Rubicon Express Super Flex Joint Link above and stock link below. A perfect copy but so much stronger.

Link installed on a 2007 FJC.

Rubicon Express Super Flex Joints, spacers and Grade 10.9 Metric hardware.

Here you can see the difference in tube wall thickness. Stock tube is 1/8" and these links are 1/4" wall. The other thing to be noted is that the stock links have a welded seam, which can be a weak point. These links use 1/4" wall DOM (Drawn Over Mandrel) which DO NOT have a welded seam. These links will not bend.

Frame bracket spacers that Sonoran Steel has custom machined, not only do they perfectly center the ball of the joint, but they perfectly re-size the hole and beef the mount up. 4Runner bracket show, but the FJC bracket is the same.

Super Flex Joint and Bracket Spacer. 4Runner bracket show, but the FJC bracket is the same.

Notice how the Rubicon Express Super Flex joint can twist in the mount to allow your rear suspension to move easily and more freely. Stock Toyota links use a rubber "smooth ride" style bushing that dampens vibration. Funny thing is the Rubicon Express Super Flex joints ride as smooth and nice as the stock rubber on the road. 4Runner bracket show, but the FJC bracket is the same.

Why would I want these links? A few reasons, the stock links bend easily if you hit them on a rock. You can only bend them back once or twice before the metal fatigues and breaks. These links will allow you to take advantage of the added travel of longer shocks, giving your truck considerably more articulation.

Updated 7-11-2007: With the introduction of the FJ Cruiser in 2007 it seems "everyone" is jumping on the IFS bandwagon and making parts for that vehicle, even shops that have for years not included IFS trucks in their line up and put them down. With the advent of Trail Gear taking over the older truck market, these trash talking shops must now re-invent themselves and are trying to sell to the IFS market that they once shunned and dismissed altogether. Just because another shop makes a product one way or claims to have a certain "feature" it is not necessary something you want. Lets take adjustable links for an example, they are made by one of our competitors. They will tell you it is an added "feature". This is a lie. They make adjustable links because they outsource everything. By having the ends screw in, they do not have to employ a welder, they just simple screw three outsourced parts together. It's not a feature, it's cheaper.

Here are the problems you will encounter with adjustable links with all factory bracketry: This is what will happen if you adjust the length of the lower links, the pinion angle will not be correct anymore, inducing drive train vibrations and accelerating wear. With adjustable links set to any other length then stock, there is a really good chance you will screw up the perfect pinion angle Toyota built into the links. Which is maintained though the entire suspension cycle. If you make both upper and lower longer to maintain the correct pinion angle, you will have a serious parts collision with the upper arm mounts and the frame cross member for the trac/panhard bar mount. An individual with a 1999 4Runner did this (extended both top and bottom links) back in 2003 and destroyed so much of the frame and upper mounts as well as sheared off many bolts that he had to do a rear leaf conversion, there was no other choice. We have known all about adjustable arms and these huge issues since 2003, we did not just jump on the band wagon in the last year.

With Rubicon Express Super Flex Joints on both ends. The links will side twist 40 degrees. No other link on the market even comes close to this. They are lucky to hit half of that twist.

2007+ Toyota FJ Crusier: Torque bolts to 55 Foot Pounds!

DISCONTINUED! No longer for sale.

Why you ask? The machine shop that made the spacers to use the Rubicon Express joints in the Toyota mounts went out of business. I had an inside hook up there that allowed me to get the parts made for a reasonable price in smaller quantities. No other machine shop we have found is able to make the pars for the price we were paying and wants to run huge loads of them, requiring a very large amount of up front money on our part.

Now that being said, we already have prototype links with press in Genuine Toyota high articulation joints in the testing phase. Look for those very soon.

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e-mail me: steve@sonoransteel.com