What Are Coilovers and Who Buys Them

This article was written by Coilovers.com Owner and Principal, Lou Tortola.

For those who do not know me, I am Lou Tortola, owner of Coilovers.com. Over the past decade we have helped more than 20,000 customers find the right coilover kit for their car, and along the way I have learned something important. The person buying a coilover kit is rarely who most outsiders assume.

This one is my honest take on what coilovers actually are, who really buys them, and why that matters if you are considering a set for your own car. Straight from the owner. No sales script.

How I First Learned What a Coilover Kit Actually Was

My familiarity with coilovers did not start as a business decision. It started with curiosity, on an ordinary afternoon in a suburban driveway.

About twenty years ago, my next-door neighbor was a 17-year-old kid with a Subaru WRX. If you have known a young WRX owner, you already understand what that implied. The car lived under a constant rotation of modifications, and something was always coming off or going on.

One afternoon I came home to find his car on blocks with every wheel removed. He and a friend were methodically dismantling the factory suspension at each corner, pulling shocks, springs, upper mounts, and bushings until OEM components were scattered across the driveway. I thought the car would never go back together as a street-legal driver.

Then a large box arrived. Inside were four fully assembled suspension units, clean and purpose-built, engineered to bolt on as complete corners. First time I had seen a coilover kit in person.

The contrast stopped me. On one side of the driveway, a chaotic pile of worn factory parts. On the other, a precisely engineered system designed to replace all of it in a single integrated installation. That was the moment I understood that suspension is an engineered system, not a shopping list of individual parts.

So What Is a Coilover Kit, Really?

A coilover kit is an integrated performance suspension assembly that replaces your factory shock and spring at each corner of the car. The name comes from the design itself: a coil spring mounted over a damper, both riding on a threaded shock body that lets you dial in ride height and, on most kits, damping as well.

The real advantage is control. Factory suspension is engineered as a broad compromise for an average driver on average roads, and that compromise shows up the moment you ask the car to do anything beyond commute. A coilover kit eliminates that compromise. You set the ride height to your target, you tune the damping to your roads, and on most kits you can swap spring rates later as your needs evolve.

The Core Pieces of a Coilover

Watching Dave Finish the Install

Back to that driveway. I was certain the two of them would never get that WRX reassembled. I was wrong.

A few days later, the car rolled past with a stance clearly superior to factory, sitting lower with noticeably less fender gap. I watched Dave pull out of his driveway, take the curve at our street corner, and I could see the expression on his face. He had taken on a serious project at four corners and knew the car was better than it had ever been from the factory.

Years later, when the opportunity came to enter this business, my thinking went straight back to that driveway. Back to Dave. Back to the commitment a real coilover customer brings to their car.

Who Actually Buys a Coilover Kit?

Here is a reality of this industry that surprises people. When you sell someone a coilover kit, in many cases you never see that customer again. For a lot of buyers, a coilover kit is a once-in-a-lifetime purchase during a specific build. They install it, enjoy it for a few years, and move on to other priorities. Dave himself moved out of town, got married, and is almost certainly not buying another coilover kit anytime soon. That is a perfectly normal arc.

The real coilover customer base is more interesting than the one-time buyer, and it breaks down into four distinct groups.

The Lifelong Enthusiast

This customer modifies every car they own. Suspension is either the first upgrade on the list or one of the most important in the build sequence. A new car arrives every few years, and a new coilover kit arrives with it. They understand that a properly specified performance suspension is what actually finishes the car rather than just lowering it.

The Amateur and Semi-Pro Racer

These buyers have invested serious capital in their race car, sometimes well over a hundred thousand dollars once you count motor, cage, safety gear, wheels, and tires. They run track days, autocross, time attack, and grassroots wheel-to-wheel. Spending $4,000 to $12,000 on a coilover kit is not a debate. They need measurable performance and reliability every weekend.

The Drift Community

Anyone who has attended a drift event knows exactly what I mean. These cars perform extraordinary maneuvers with suspension geometry dialed in specifically for the discipline. Spectators leave the track and start researching how to build something similar. Coilovers come up within the first ten minutes, and that person typically becomes a customer on the drive home.

The Seasoned Platform Enthusiast

Corvette owners. Audi owners. BMW owners. Mustang owners. Muscle car builders pulling together something special. I could list nearly every enthusiast brand and the pattern holds. These are customers who have spent years refining a car, and at some point the factory suspension becomes the limiting factor. Sometimes coilovers are the first major upgrade. Sometimes they are the last piece that brings the package together.

Does Everyone Need a Coilover Kit?

Absolutely not. Most drivers commuting and running errands will never know what a coilover kit is, and they do not need one. That is the reality of this industry.

But if you care about how your car handles, how it sits when parked, and how it feels through a corner at speed, a correctly specified coilover kit changes the car. Not in a subtle way. You feel it every time you drive.

What to Look for When You Are Ready

If you are seriously in the market, here is what I tell customers to think about before they commit to anything.

Your Actual Use Case

A daily-driven street car that sees occasional canyon runs is a different project than a dedicated track build. Damping calibration, spring rates, and ride height goals all diverge based on how the car will be used. If a seller is not asking how you drive your car, they are not thinking hard enough about what you need.

Platform Fit

Every car has its own suspension geometry and mounting-point specifications. BC Racing, KW Suspension, Fortune Auto, Ohlins, Feal, and Tein all build car-specific kits for that reason. A setup engineered for a BMW E46 will not work on an S550 Mustang. Fit is the first conversation we have with any buyer.

Adjustability You Will Actually Use

Thirty-two-click damping is useful on a dedicated track kit where lap-to-lap tuning matters. On a daily driver, most of that range is wasted capability. The right kit matches how you actually use the car, not the one with the most impressive spec sheet.

The Moment It All Comes Full Circle

I will be driving around North America, near my home in Naples, Florida, or somewhere else, and another car will pull up beside me at a light. A WRX sitting exactly right on its stance. Some other build where I can identify what is underneath the moment I see it. You can read it in the ride height and hear it in the suspension response.

This might sound corny, but I will often look over, smile, and if they smile back I will motion for them to roll down their window. One question.

"What coilovers are on your car?"

The reaction is almost always identical. Surprise, then a broad grin. Someone finally noticed the research and hours they invested in the build. Almost every time, they name a brand we carry. Right before the light turns green, I add, "I own Coilovers.com."

And in that moment, it all comes back to Dave's driveway.

Frequently Asked Questions