Jeep CJ Spring Over Axle (SOA) lift
kits, 1976+ CJ7 and CJ8
1972-1976 CJ5 and 6 owners, as well as 1976+
CJ5 owners, we have bolton SOA kits for you as well. Also, Jeep YJ Wrangler
owners, we also have bolton SOA kits. For information, pictures, and pricing
on these, you can head to our website, or check out the listing in our EBAY
store. As always please email us with any questions you may have.
For the dedicated RockHound, we proudly
The Rocky Road Bolt-on SOA.
Spring Over Axle lift?
Because there is no better system on the market in terms of
suspension flex and cost balance. You can spend thousands on a coil-over
conversion setup, but they won't get any more flex than your SOA equipped CJ....
not to mention the thousand or so you'll spend on the specialized installation
required for those kits.
CJ on 35" tires with the Rocky Road SOA
system. Click for larger picture.
Our system is also bolton and requires no cutting. It is
completely reversible if you have need to go back to stock, or transferable if
you want to move it from one Wrangler to another. Try and do that with one of
those super involved coilover weldon systems. For those who just love to weld
though, our bolton system can be welded in place as well.
While even the most seasoned wheeler will enjoy the benefits of
our SOA system, its installation is certainly novice friendly. Never wrenched a
Jeep before? Here's your chance to get started. Our system makes it so easy that
you can begin installation in the morning and be wheeling by that
The SOA kit alone should fit most 35" tires. Add in our
optional shackles and you can go ever larger.... all bolton, all tight-wad
SOA lifts simply offer the best articulation of any leaf-spring
lift on the market due to the extra leverage which deflects the spring packs and
provides for more twist. Its a great way to go and in fact,
Toyota pickups, Jeep Cherokees, and most 4WD pickups come with their springs SOA
from the factory!
We know you will find our kit extremely well thought out,
incredibly beefy, designed for serious offroading, and the demands it puts upon
a vehicle. Our system also includes components that our competition's kits
neglect to include that make this a safe system for driving on the highway as
How does the Rocky Road SOA lift stacks up against other
suspension lift systems that only use lifted leaf springs??? Extremely well.
There are a couple reasons why.
Clearance... You install a lift
to increase clearance on your vehicle. Lifted spring kits do move the vehicle
up, but they also leave alot of junk under your axles which reduces clearance.
Our SOA system only sits about 1" below the axle housing. Typical lifted spring
kits with the springs under the axles will hang down about 2.5". That one and a
half inches may not sound like much, but its more clearance difference than
you'll see between running 33" or 35" tires! Bottom line, SOA lifts put
everything above the axle for max clearance!
Flex... Most offroaders today want the maximum
flex they can acheive, while not making the vehicle unstable for highway
driving. An SOA is a great way to accomplish this balancing act. The extra
leverage by placing spring on tops of the axles gets you the same kind of flex
as extreme coilover or 1/4 elliptic systems. Main difference is that you can
still drive your CJ safely at 75MPH on the highway, and those extreme guys
CJ flexed to the MAX!!! Those are 35" tires... which
means this Jeep is getting HUGE of articulation. Try and find any standard leaf
spring lift or even coil conversion that will even come close... ain't gonna
happen. Click for larger view.
With our kit you can drive your rig to Moab, Rubicon, Tellico,
or your local playground safely, conquer all the hardest trails with MAD
flex, then drive the same rig to work the next day.
The Rocky Road SOA kit is simply the best on the
Click on the images for larger
Shows front driver's mounting and lower skidplate.
Shows our rear SOA mount and skidplate. Note brake line
Shows passenger's mount, lower U-bolt skidplate, and OTT steering
Looking at other
bolton Spring Over Axle kits on the market? Let us explain why our kit is so far
superior and what the other kits are missing that is required for a safe and
proper installation.... and yes, our kit does cost less even though we provide
twice the equipment!
Start with our spring perches
(Patent Pending). They are
custom built and designed to slip over your front and rear and onto the factory
spring pads to make the mounting system extremely tough and durable. We put alot
of energy into engineering and fabricating these pads to insure your axle
housing does not suffer damage in the harshest trail conditions. Our spring pads
are also fully gusseted, BY FAR the strongest, and easily the safest on the
market for you, your passengers, and your Jeep. They self-align for proper
castor setup every single time. They do NOT require welding (as other saddle
style spring pads require) and are very easy for the novice to install. Our
perches provide 6.5" of lift. ANother great design feature is their extended
length to combat spring wrap. No other spring pad on the market does this. We
also provide all necessary hardware and axle mounts for the spring perches.
Our spring perches are built extra long to help combat spring wrap! You
won't find any other system on the market that has this degree of engineering on
these spring pads.
Long travel shock
mounts. Designed to provide the needed clearance from your shocks to the springs
to avoid damage, but also a great way to provide ample room for long super flexy
shocks. Front and rear lower shock mounts are included for maximum shock length
which means maximum articulation.
Ubolt skidplates. While these are not
necessarily mandatory for any lift, we sure feel they serve their purpose. Our
custom built spring plates provide rock and trail damage protection thru a
unique slide plate protection system. A simple idea which really goes the extra
To properly correct steering angles, we offer
our exclusive Zlink steering system. Other kits? They provide nothing. Lifting a
vehicle stretches out steering geometry and causes some peculiar things to
happen. Your steering becomes cockeyed, linkage hits springs, etc. Our Zlink
puts things back into shape. Kit comes with replaceable tie rod ends easily
greased and serviced. An SOA lift without steering correction is just plain
dangerous. Rocky Road has you covered.
Transfer case drop. Some Jeeps are going to have to
customize their driveshafts with this heigt of lift. Others seem to get away
with the stock driveshafts. Either way, our tcase drop system helps ease the
angle of your Ujoints on the driveshafts. Build from solid billet steel. These
things are THE BOMB when it comes to strength.
Taller lifts necessitate longer brake lines.
You don't even want to
take the chance of snapping a line on the trail, so longer brake lines front and
rear are very important. Do the other kits include them? No. Even the most
novice of 4wheelers can understand how dangerous this is. We've used many
combinations and brands of brake lines over the years and have experienced the
best overall result with rubber brake lines. So in our kits, we offer only
extended DOT approved rubber brake lines. No vehicle inspector will even
red-flag your brake lines with our system as can happen with the relatively
unreliable stainless lines.
Individual Kit Component:
Rocky Road SOA kit
Front and rear bolton anti-wrap spring pads
Bolton Long Travel shock mounts
Transfer case drop system
Front Extended Brake Lines
Rear Brake Line Extension
Ubolts and hardware packs
Parking brake relocation kit.
Easy to follow installation instructions
Optional kit items
Optional Long Travel shocks
Optional 2" shackles (for add'l 1" of lift
Optional Swaybar quick Disconnects
Optional new stock height springs
Opt. wider front spring perch/plate for YJ springs
OTT Steering system upgrade. This awesome high
steer setup is designed specifically for SOA use. Excellent for use with stock
springs, or lifted springs. Not available yet for the CJ, coming this
2" longer shackles. These 2" shackles provide
an extra 1" of suspension lift for a full 7.5" lift all together. 3 bolt design
for the ultimate in flexy design for articulation junkees.
Rocky Road HYDRO soft-ride long travel shocks.
We've run many shocks over the years on Jeeps and other rigs, including the
ultra-expensive Rancho 9000s. They rode well, but were problematic. We feel we
have designed the best riding shock on the market today for moderate weight
vehicles like our Wranglers. Other shocks are designed for vehicles thousands of
lbs heavier (namely, pickup trucks), our HYDRO shocks are right on the money for
a Wrangler. Superbly valved for a great ride on road without being mushy
offroad. That's right, we threw away our RS9000s in favor of these... and
they're a much more palitable price as well. Shocks are $155 for all
four with the purchase of a kit, or $46 each if purchased
on their own.
Slip Yoke Eliminator (SYE)/ Tailshaft transfer case
conversion required for Jeep NP231 transfer case Rear CV type drive shaft required as with any lift at or
over 4" for the CJ Front driveshaft may need to be lengthened
Kit for post 76 CJs is only
designed to be bolton for D30 front, AMC20 rear axles.Other axles may be used,
but some modification may be needed for tight fitting, and welding may be
necessary for installation
The bottom line is
that no other SPOA system on the market comes close to the Rocky Road system for
ease of installation, warranty, engineering, and quality. Do it right the first
time with Rocky Road. More pictures and installation information coming
Contact us for information on any optional items. We
can set up a private listing for you after purchase of the SOA
PLEASE NOTE. This kit is only for CJ7 and CJ8. Will
not work on a CJ5. We do have a CJ5 kit available if you wish to contact us
Questions and answers about this item
Do your SOA kits come with springs? I have a 1976 cj7 A:
SOA lift kits don't replace your springs. They use your existing springs to create the new more flexible and better riding suspension.
It is a fairly popular upgrade though to change to Wrangler springs when you're... Continue reading
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