A Beginner's Guide to 4x4 Suspension Lift Kits

You see them all the time: Light trucks, Sportthis sense, larger tires can sometimes be a
Utility Vehicles, Jeeps, and more, coasting downgamble without any direction from an experienced
the highway, sitting atop towering truckoff-road veteran.
suspension lift kits and sporting a set of tires so- Weight: larger tires are heavier, which can put a
big that a person could live in them. If you're thelot of strain on your suspension, particularly if it's a
curious type looking to lift up your own rig, astock suspension. Trusted, durable suspension
more important question than "How do I get mycomponents and lighter aluminum wheels can
ride to do that" is "Why should my ride do that?"sometimes help to reduce the strain.
There are several reasons why people might- Handling: Adding truck suspension lift kits will
customize their vehicles with suspension lift kits,undoubtedly raise the vehicle's center of gravity,
as well as quite a bit to know before you getresulting in less stable turns. This is a common
started. If you're a seasoned veteran who hasissue when installing truck lift kits, but is mostly
conquered the most vicious terrains and knowsjust a matter of becoming accustomed to a
your vehicle better than your own mother, therevehicle's change in performance.
probably isn't much for you to learn here. On the- Legality: Some suspension lift kits are such a
other hand, if you're just getting started and wantserious change in your suspension system that it
to familiarize yourself with the basics, read on.may not be legal. Check the suspension
Why should I lift my ride?regulations within your country, state, or province
Glad you asked. Equipping vehicles with ato be sure.
suspension lift kits involves much more than- A Few Useful Accessories: Before installing a lift
buying the sexiest looking truck lift kit and thenkit, it's a good idea to first examine if any
dropping your ride off at the local mechanic.components will be affected by your vehicle's
Actually, chances are good that if that's all younew height. Here are a few useful accessories
plan to do, lifting your ride might not be right forthat may need to be upgraded:
you in the first place. Installing truck suspension lift- Brake Upgrades: Stock brakes can't always
kits requires some hard work, a bit of technicalaccommodate larger tires, or will wear easily due
savvy and consistent upkeep and attention toto the added strain.
your vehicle's components.- Drivetrain and Differential: Axles, gears,
The first determination you need to make whendifferential covers, lockers and more ensure that
considering suspension lift kits is what you wantyour drivetrain is up to par with your suspension.
to do with it. There are essentially two main- Replacement Parts: Longer Control Arms and
purposes for installing truck lift kits: style orTrack Bars to compensate for the additional
function. Although the two are somewhatheight of your rig.
interrelated, it's still important to consider which- Shock Absorbers: For those taller lifts, longer
purpose you most wish to pursue, as it will assistshocks will ensure the smoothest performance
you in making the correct modifications to yourboth on and off road.
vehicle.- Other Parts: Steering linkage, slip yoke, drive
Style:shaft length, u-joint angle, and brake lines are all
Let's face it: Transforming a vehicle into a styleworthy of consideration before installing
statement has been a popular hobby ever sincesuspension lift kits.
the advent of tailfins and flame decals. As muchInstalling Suspension Lift Kits:
as we all might chuckle at a hybrid hatchbackWhen it comes time to install a lift kit, there are
sitting on 18" wheels, or the family sedan with atwo ways possible ways to go about it: install it
wing that resembles the Seattle Space Needleyourself, or have a professional do the job.
more than a spoiler, we also find our own vehiclesNaturally, each has its advantages and
having fuzzy dice hanging from the mirror, or adisadvantages, and when it comes to your rig,
bobbling hula dancer statuette on the dash. As farattention to detail is crucial. A general rule to
as style is concerned, adding truck lift kits makesfollow is that even if you know you want a large
more of an impression than anything else you canlift, it's best to start with a small lift and work
do to your ride. Heads turn instantly at the sightyour way up. This allows you to work out any
of a lifted rig with massive tires that appear to bekinks and hindrances along the way to make sure
sprouting fangs and an exhaust system thatyour kit works right.
scares stray puppies into hiding.1. Do-It-Yourself
When it comes to adding suspension lift kits toEven if you're not technically inclined, taking the
make a style statement, looking good is the easytime to learn the inner mechanics of your vehicle
part. Sometimes it's easy to overlook general,is a valuable experience that can save you time
everyday performance in the midst of deckingand money. An intimate knowledge of your rig
out a ride. For this reason, choosing the rightcan also allow you to make your own
suspension lift kit with attention to comfort,modifications to your vehicle if the need arises.
reliability, durability, safety, and not to mentionThere are numerous resources available that can
price, should be given just as much considerationusually guide you through the majority of the
as those precious inches you want to add.process; however, one must keep in mind that it's
Performance:a lot to take in, and tweaking the intricate
So you've made the jump into tuning your rig forcomponents of your vehicle is no small matter.
the off-road world, and you're ready to take theIt's always a good idea to have a second set of
plunge to invest in one of many truck lift kits. Buthands or an experienced individual assisting you.
before diving headfirst into a custom truck lift kitOn the downside, even with the increasing
and gigantic tires, there are a number of issues toavailability of bolt-on kits, installing suspension lift
address to ensure a correct setup. The first stepkits is no easy task, particularly if you're a
is to ask yourself what you will be doing thebeginner. Additionally, certain instructions or
most, whether it's slow-speed rock crawling,resources can sometimes be misleading or based
high-speed desert racing, general purpose 4upon the personal preferences of individual
wheeling, mud racing, or long distance opengearheads. Often times, after installing a lift kit
country treks. From there, you can narrow downyou'll find yourself spending hours tweaking the
what you need to do in order to customize yourother components of your vehicle to get them
vehicle to suit your needs.back to spec. That's a whole lot to take on,
Whether you're just starting out, or you're theparticularly if you're inexperienced.
experienced professional, tuning your rig for2. Mechanic
optimum off-road performance is an expansiveA licensed professional installing your lift kit is
hobby with numerous factors to be wary of. Thetypically the best way to ensure that suspension
possibilities are limitless, which can sometimeslift kits are installed correctly, so long as you're
make it hard to determine exactly whichwilling to pay the labor charges. A professional can
suspension lift kits are ideal for what you want.perfectly tune your vehicle to your liking and see
Where do I begin?to it that all components are working as they
As if determining which suspension lift kits toshould, all within a fraction of the time it would
purchase weren't complicated enough, installingtake even the most experienced gearheads to
truck lift kits can alter other components in yourinstall it themselves.
vehicle, sometimes causing unforeseen issues thatOn the other hand, as is the case with regard to
could affect performance or be potentiallyany mechanic, it might be difficult to find one you
detrimental to the vehicle itself. For example, drivecan trust to install the kit properly while not
shaft length, steering geometry, brake lines,overcharging you for any unnecessary parts. Also,
highway performance and handling, gear ratios,if you're not a gearhead, anytime there's a
and overall weight are just a few of the factorsfunctional deficiency or your vehicle needs minor
that could potentially be impacted by adding trucktweaking, you have no choice but to return to
suspension lift kits.the mechanic for service.
Finding ample resources to determine whatSuspension Lift Sizes:
products you need can be difficult. Speaking withSmall: A small lift consists of 1.5 or fewer inches,
a mechanic can provide some insight. Readingand will grant you a little more clearance and
factory service manuals, off-road magazines,room to run slightly larger tires. The most
internet message boards, manufacturer's guides,common way to gain a small lift is by using coil
and a number of other resources can help as well.spacers in front and long shackles in the rear.
But by far the most useful way to determine- Advantages/Disadvantages: Small lifts are
what truck lift kits are right for you and yourinexpensive and easy to install with very few
vehicle is to consult an experienced andcomplications.
knowledgeable person who has a vehicle similar toMedium: A medium lift is roughly 2" of lift, and is a
yours and uses it in the manner similar to whatgood choice for those looking for the best tire
you want to do. Not only can such a personclearance, but aren't planning on doing any
suggest the correct products, but also likely hasoff-roading. Common medium-sized lifts use
experience with installation tips and generalspacer and add-a-leaf lifts, and sometimes come
drivability.with new shocks.
In the meantime, here are some of the basic- Advantages/Disadvantages: You'll notice changes
elements of suspension lift kits for you to keep inin handling and performance: some good, some
mind as you plan your modifications.bad. You'll also need strong rear springs, and if
What does a Suspension Lift Kit do?you plan to use an add-a-leaf kit, later modification
1. Clearancefor more lift may be difficult, since add-a-leafs are
For starters, one of the foremost reasons fordesigned to lift stock springs.
installing truck suspension lift kits is to raise theLarge: The largest lifts consist of 3 to 4" or more
height of your ride off the ground to enablefor an aggressive look and the best off-road
steeper ascent or descent off-road, and higherperformance. A common large lift setup consists
ground clearance. In general, it makes sense thatof new front coils and add-a-leafs in the rear, plus
when driving over boulders, slogging through mud,some combination of new front coils and new
coasting across the desert, or even just makingrear springs. These kits often include a matching
your way through the occasional forest trail,set of shocks.
higher clearance facilitates negotiating certain- Advantages/Disadvantages: Large lifts are
obstacles. This can often be a tricky bit ofobviously the most expensive, and more
artistry to manage, as higher clearance also raisescomplications are expected than with smaller lifts.
your vehicle's center of gravity, which can reduceOn-road performance will also be affected,
handling.sometimes dramatically. But a large lift will
2. Larger Tire Fitmenttransform your rig into an intimidating off-road
The general consensus suggests that larger tiresmachine that will stand out among a crowd.
equate to more traction, right? Well, not entirely.Types of Suspension Lift Kits:
While larger tires may provide some improvementSpring Over Axle (SPOA):
to traction in off-road conditions, there are otherSPOA suspension lift kits are most popular among
ways to improve a vehicle's traction that are farserious rock crawlers looking for the utmost
more efficient than simply bulking up the rubber.articulation (up and down wheel travel). These
Aside from the obvious stylistic discretion, thetruck lift kits keep the tires on the ground for
main reasons for adding larger tires are for highermaximum traction, while correctly lifted springs
vehicle clearance for improved performance inlifts everything out of harm's way, including the
mud, deep snow, rocks, and deeply rutted trails.springs.
Certain tires designed specifically for off-roadShackle Reverse (S/R) Suspension Lift Kits:
conditions can improve traction depending on theS/R truck lift kits are designed to provide a
circumstances, but the added clearance is thesmooth ride upon mild terrain such as forest
most immediate and direct benefit of larger tires.roads, desert driving, and scenic trails; however,
Factors to Consider with Truck Suspension Lifthigh-speed driving on highways is not
Kits:recommended.
- Installation: Many manufacturers offer manualsCoil Suspension Lift Kits:
for installing truck lift kits onto certain vehicles;The choice of many of the world's best-riding 4
however, some installations are quite intricate,wheel drive vehicles, Coil Suspension Lift Kits offer
requiring some welding or cutting in order to addunrivaled ride quality and cheaper springs, but
some necessary components. In this case, havinginstallation sometimes requires some welding. The
a trusted mechanic or a few knowledgeableend result, however, is a suspension lift kit that
friends is the best resolution.provides excellent articulation on the trail, and a
- Additional Modifications: Upgrading to truck liftcomfortable ride you have to feel to believe.
kits with taller tires also means that a number ofLifted Spring Suspension Lift Kits:
components may require part upgrades or someThe most commonly used type of truck lift kits
tuning to compensate. For instance, a truck'sin the world, Lifted Spring systems are easier to
engine is tuned at specific gear ratios to propelinstall, and an excellent choice for first-time lifters
the vehicle. When adding taller tires, the gearin the off-road world. These truck lift kits allow
ratios must be tweaked accordingly, since theyou to run larger tires for additional clearance,
engine has to spin much larger, heavier tires.while producing control on the highway.
Again, consult with more experienced individualsShackle Suspension Lift Kits:
for further insight.As probably the most affordable way to add
- Highway Performance: Larger, wider tires caninches to your rig, Shackle Suspension Lift Kits are
sometimes result in instability on roads or a noisy,primarily for the truck enthusiast looking to add
uncomfortable ride, particularly at high speeds.larger tires, yet are not intending to do much
Also, more aggressive off-road tires tend to wearhardcore off-roading. Moderation is recommended
faster on the highway, and traction might not bewith these truck lift kits, as Shackle systems are
as great as you would expect on wet roads. Inknown to affect steering and sway control.