ICON bumpstop, RXT Multi-Rate Rear Leaf Spring, Camburg TIG install: Roush Raptor

I just completed the ICON bumpstop and multi-rate leaf spring kit install. I have pictures of some of the install although @BIRDMAN and others have a great detailed list of recommendations for the bumpstpp kit. I wanted to start a new thread as no where was there a place where these were both done together. I also installed the new TIG welded CAMBURG shackles which is beautifully designed. The kit is very good from ICON and has a great appearance with its finish and fit.
Total kit time with a mechanic friend and I = 10 hours
Difficulty level 6/10
Tool required: outlined by ICON in PDF instructions but sawzall or 4.5' grinder to cut bolt behind gas tank is great on a full tank of gas to reduce vapors etc. A lift would be ideal. Good torque wrenches
Difficult steps: instructions leave a lot to be desired but the other members have good recommendations for kit install, some of the bolts are difficult to access and an added hand is helpful, lack of torque specks for some of the bolts, cutting bolt from tank is a pain. U joint was busted at end at had to be cut to allow for threading for bolt. My friend recommended I complain about the bad U joint....recommend taking off spare tire but I was able to do all of install without removing Fox shocks
Modification compatibility: kit is compatible with Roush stage 2 exhaust with some minor bending of exhaust hangers, undertaken with pipe wrench. Camburg TIG welded shackles were easy to install and are heavy duty in comparison to OEM.
Results: No more axle wrap/ wheel hop in supercharged truck with standard leaf set-up, no additional replace or add a leaf needed, firmer ride and increases height by 0.5 to 1 inch in rear: with mid perch it appears to be factory rake.
Questions: If you have any specific questions I am happy to answer about the leaf springs, bump stop, or camburg TIG shackles

ICON bumpstop, RXT Multi-Rate Rear Leaf Spring, Camburg TIG install: Roush R...


Glad you like the RXT setup. I am considering it. What do the Camburg shackles provide?


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Nice, leaning towards this myself.

The Camburg shackles were meant as an upgrade while I working on the springs. Its quite remarkable how much thicker and well built they are in comparison. They will not change your ride height and the polyurethane bushings ensure that any future work on the springs / shackle will be easier as the OEM ones are rubber and will seize over a period of use.

There were not many posts on the multi rate springs from Icon but the exchange a leaf or add a leaf system is nice if I am planning on towing or running off road equipment in the bed on a regular basis. The ride quality is a significant improvement with regards to the axle wrap but other leaf springs appear to do just as good a job. Needless to say I thought I'd stick with one manufacturer to keep it easy.

There are some differences with bump stop kit and the RPG kit in terms of install etc...I do have to say that Jason at Texas Motorworx (texasmotorworx.com) was great to speak with regarding the set-up. The delivery took 3-4 weeks as there has been a demand at Icon for the set-up of springs etc...but it was well designed and extremely high quality bolt on application.

Camburg, ICON, Texasmotorworx were all super helpful and I'm glad to have done business with them.

NorCalRaptor said:

Glad you like the RXT setup. I am considering it. What do the Camburg shackles provide?


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So the ride is stiffer than stock?

I would just say firmer when power is applied. The rear always felt jumpy coming off the line. The rear suspension now feels appropriately balanced with the front.

never_summer said:

So the ride is stiffer than stock?

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thanks, I've been trying to get an idea of how the springs felt. Want it to ride almost like stock without the rear kicking, but also didn't want it to ride like my diesel haha

Digging this back up to get your 6 month opinion on the leaf spring setup and how its holding up. Next on my list is springs and im still between the rxt's and deaver +2.

Ramathorn178 said:

Digging this back up to get your 6 month opinion on the leaf spring setup and how its holding up. Next on my list is springs and im still between the rxt's and deaver +2.

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You just got the icon bumpstop, get the icon rxt and don't look back, they are awesome.

Like i was mentioning to Walter the other day. Im just looking to do stuff right the first time because i hate spending time and money twice. Haven't really heard much from anyone about the icon leafs other than initial impressions (and of those most likely coming from stock) id like to get more long term feedback on them. Theres plenty of info on the deavers, nationals, wsi.