Best Coilovers For Lexus Gs300 : Street Performance Coilover Kit

Lexus GS300 coilovers should provide both the comfort expected from a luxury sedan and sporty handling. Finding the best coilovers for Lexus GS300 can be tricky because you need a setup that doesn’t ruin the ride quality. Many owners want to lower their car for looks but still want to enjoy daily driving without feeling every bump.

In this guide, we will break down the top coilover options for your GS300. We will cover everything from budget-friendly sets to high-end track-focused systems. You will learn what to look for, how to install them, and how to get the perfect alignment after lowering.

Best Coilovers For Lexus Gs300

When you start searching for suspension upgrades, you will quickly notice many brands claim to be the best. But not all coilovers are created equal, especially for a car like the GS300 that balances luxury and performance. The key is matching the coilover to your driving style and goals.

Below we have listed the top contenders. Each one has been tested by the community and proven to work well on the GS300 platform. We have organized them by price and intended use.

Top Pick For Daily Driving: Tein Flex Z

Tein is a household name in the Japanese car scene. The Flex Z series offers a great balance of comfort and adjustability. They come with 16-way damping force adjustment, which lets you dial in the perfect ride.

  • Price range: $900 – $1,100
  • Ride quality: Very good for daily use
  • Adjustability: 16-way damping, ride height adjustable
  • Durability: Zinc-coated for rust resistance
  • Best for: Daily drivers who want a mild drop

These coilovers use a twin-tube design that absorbs small bumps well. You can lower the car about 1.5 to 2.5 inches without sacrificing too much comfort. Many owners report that the Flex Z feels almost stock on soft settings but tightens up nicely for canyon runs.

One minor downside is that the front camber plates are not included. You will need to buy them separately if you want to adjust camber up front. Still, for the price, these are hard to beat.

Best For Performance: BC Racing BR Series

BC Racing coilovers are extremely popular among GS300 owners. The BR series offers 30-way damping adjustment and a monotube design. This setup provides more precise handling than twin-tube options.

  • Price range: $1,000 – $1,300
  • Ride quality: Firm but not harsh
  • Adjustability: 30-way damping, ride height, and camber plates included
  • Durability: Stainless steel threads
  • Best for: Enthusiasts who want track-ready handling

The BR series comes with front camber plates, which is a huge plus. You can get up to -3 degrees of camber adjustment without buying extra parts. The rear setup uses a separate spring and shock design, which allows for more suspension travel.

These coilovers are stiffer than Tein Flex Z, so expect a firmer ride on rough roads. But if you value cornering grip and responsiveness, the BC Racing BR is a solid choice. Many drift and track guys run these.

Best Budget Option: Megan Racing EZ Street

If you are on a tight budget, Megan Racing EZ Street coilovers offer decent performance for under $700. They are simple, reliable, and get the job done for most daily drivers.

  • Price range: $600 – $750
  • Ride quality: Firmer than stock, acceptable for daily use
  • Adjustability: 32-way damping, ride height adjustable
  • Durability: Powder-coated finish
  • Best for: Budget builds and first-time coilover buyers

These coilovers do not include camber plates, so you will need to buy them separately or use aftermarket camber arms. The ride quality is decent for the price, but do not expect luxury car comfort. They are a bit bouncy on rough pavement.

Megan Racing has improved their quality control over the years. For a budget set, these are a safe bet. Just make sure to grease the threads during installation to prevent seizing.

Best For Luxury Ride: Fortune Auto 500 Series

Fortune Auto coilovers are built with high-quality materials and offer a truly plush ride. The 500 series uses a digressive piston design that provides excellent bump absorption. This is the closest you can get to OEM comfort with lower ride height.

  • Price range: $1,400 – $1,800
  • Ride quality: Very smooth, almost luxury-like
  • Adjustability: 24-way damping, ride height adjustable
  • Durability: Monotube with swivel mount
  • Best for: Owners who want comfort and performance

These coilovers come with front camber plates and a lifetime warranty on the shocks. The swivel mount design reduces binding and allows for smoother suspension movement. You can lower the car up to 3 inches while maintaining a comfortable ride.

The only downside is the price. They are significantly more expensive than other options. But if you drive your GS300 daily and want to keep it comfortable, the Fortune Auto 500 series is worth the investment.

Best For Track Use: KW Variant 3

KW is a premium German brand known for high-performance suspension. The Variant 3 coilovers are designed for serious track use but still offer decent street manners. They feature independent rebound and compression adjustment.

  • Price range: $2,200 – $2,800
  • Ride quality: Firm but controlled
  • Adjustability: Independent rebound and compression, ride height
  • Durability: Stainless steel construction
  • Best for: Track days and aggressive street driving

These coilovers are overkill for most daily drivers. The independent adjustment allows you to fine-tune the suspension for specific track conditions. They are built to last and come with a 5-year warranty.

However, the price is steep, and the ride is definitely firm. If you only drive your GS300 on the street, you might be better off with a more comfortable option. But for track enthusiasts, these are among the best.

How To Choose The Right Coilovers For Your Gs300

Selecting the best coilovers for Lexus GS300 depends on a few key factors. You need to consider your budget, driving style, and how low you want to go. Here is a simple step-by-step process to help you decide.

Step 1: Define Your Goals

Ask yourself what you want from the suspension. Do you want a lower stance for looks? Better handling for canyon roads? Or a comfortable daily driver that can handle occasional track days?

Write down your priorities. This will narrow down your choices quickly. For example, if comfort is your top priority, avoid stiff track-oriented coilovers.

Step 2: Set A Budget

Coilovers range from $600 to over $3,000. Your budget will determine which brands you can consider. Do not forget to factor in installation costs and alignment fees.

Here is a rough budget guide:

  • Under $800: Megan Racing, Raceland
  • $800 – $1,200: Tein Flex Z, BC Racing BR
  • $1,200 – $1,800: Fortune Auto 500, HSD
  • $2,000+: KW, Ohlins

Step 3: Check Ride Height Range

Not all coilovers allow the same amount of drop. Some only lower 1.5 inches, while others can go 3 inches or more. If you want a slammed look, look for coilovers with a wide adjustment range.

Be aware that extreme lowering will require additional modifications like camber arms, toe links, and sometimes fender rolling. Plan accordingly.

Step 4: Consider Adjustability Features

Basic coilovers only adjust ride height. Mid-range options add damping adjustment. High-end models offer independent rebound and compression control.

For most daily drivers, 16 to 30-way damping adjustment is plenty. You do not need independent adjustment unless you are tracking the car seriously.

Step 5: Read Reviews And Ask The Community

Check forums like Club Lexus, Reddit, and Facebook groups for GS300 owners. Real-world feedback is invaluable. Look for common issues like leaking shocks, premature wear, or poor customer service.

Also, ask about fitment. Some coilovers may not clear certain wheel sizes or require trimming of the dust boots.

Installation Guide: How To Install Coilovers On A Lexus Gs300

Installing coilovers on a GS300 is a moderate DIY job. You will need basic tools and a jack. Allow yourself 4 to 6 hours for the first time. Here is a step-by-step guide.

Tools You Will Need

  • Jack and jack stands
  • Socket set (10mm, 12mm, 14mm, 17mm, 19mm)
  • Torque wrench
  • Spring compressor (for rear if needed)
  • Penetrating oil (like WD-40)
  • Allen keys (for adjusting coilovers)

Step 1: Prepare The Car

Park on a level surface. Loosen the lug nuts on all four wheels. Jack up the front of the car and place jack stands under the frame rails. Repeat for the rear.

Step 2: Remove The Front Struts

Start with the front. Remove the wheel. Unbolt the brake line bracket from the strut. Remove the two bolts holding the strut to the steering knuckle. Then remove the three top hat nuts under the hood.

Pull the strut assembly out. Be careful not to damage the CV axle or brake lines.

Step 3: Disassemble And Reassemble

If your new coilovers come pre-assembled, you can skip this step. If not, use a spring compressor to remove the old spring. Transfer the top hat and bump stop to the new coilover. Tighten the top nut to spec.

For the rear, the process is similar but the strut is separate from the spring. You may need to compress the spring to remove it.

Step 4: Install The New Coilovers

Insert the new coilover into the mounting points. Hand-tighten the top hat nuts. Then bolt the bottom to the knuckle. Torque all bolts to factory specifications.

For the rear, install the spring and shock separately. Make sure the spring seats properly.

Step 5: Adjust Ride Height

Before lowering the car, adjust the coilover spring preload and ride height. A good starting point is to lower the car about 1.5 inches. You can fine-tune later.

Lower the car to the ground. Roll it back and forth to settle the suspension. Then measure the fender gap and adjust as needed.

Step 6: Get An Alignment

After installing coilovers, your alignment will be off. Drive to an alignment shop and have them set the camber, caster, and toe to your specifications. This is critical for tire wear and handling.

Expect to pay $80 to $150 for a four-wheel alignment. Some shops may charge extra if you have aftermarket camber arms.

Common Mistakes To Avoid

Many GS300 owners make the same mistakes when installing coilovers. Here are the most common ones and how to avoid them.

  • Not pre-loading the suspension: Always tighten bolts with the car on the ground to avoid bushing bind.
  • Over-tightening bolts: Use a torque wrench. Stripped bolts are a nightmare.
  • Ignoring bump steer: Extreme lowering can cause bump steer. Consider aftermarket tie rod ends.
  • Forgetting to grease threads: Coilover threads can seize if not lubricated. Use anti-seize compound.
  • Skipping the alignment: This will ruin your tires and make the car handle poorly.

Frequently Asked Questions

What Are The Best Coilovers For Lexus GS300 For Daily Driving?

For daily driving, the Tein Flex Z and Fortune Auto 500 series are top choices. They offer a comfortable ride while still allowing you to lower the car. The Tein Flex Z is more affordable, while the Fortune Auto 500 provides a more luxurious feel.

Can I Install Coilovers On My GS300 Myself?

Yes, if you have basic mechanical skills and tools. The installation is straightforward but time-consuming. Make sure to follow a guide and torque everything to spec. If you are unsure, hire a professional mechanic.

How Much Does It Cost To Install Coilovers On A Lexus GS300?

Professional installation typically costs $300 to $600 depending on the shop. This includes labor for all four corners. You will also need an alignment afterward, which adds $80 to $150.

Will Coilovers Make My GS300 Ride Rough?

It depends on the coilovers you choose. Budget coilovers like Megan Racing will be firmer. High-end options like Fortune Auto or KW can be very comfortable. Adjustable damping allows you to fine-tune the ride to your preference.

Do I Need Camber Arms With Coilovers On A GS300?

If you lower the car more than 1.5 inches, you will likely need rear camber arms to adjust the rear camber. The front can be adjusted with camber plates, which some coilovers include. Without them, your tires will wear unevenly.

Final Thoughts

Choosing the best coilovers for Lexus GS300 is about balancing your needs with your budget. For most daily drivers, the Tein Flex Z or BC Racing BR series offer the best value. If you want luxury comfort, go with Fortune Auto. For track use, invest in KW.

Remember to factor in installation and alignment costs. Do not rush the process. Take your time to adjust the ride height and damping to your liking. A well-set-up suspension will transform how your GS300 drives and looks.

We hope this guide helped you make an informed decision. If you have any questions, drop them in the comments below. Happy modding