Nissan 370Z Suspension Mods for Better Handling and Performance: Brands and Costs

The Nissan 370Z is a rear-wheel-drive sports car that has earned a loyal following for its aggressive styling, powerful VQ37VHR engine, and sharp handling right out of the factory. Yet, like any production performance car, the 370Z’s suspension is a compromise between ride comfort, cost, and track capability. Enthusiasts who push their cars on twisty back roads or at the track quickly find that targeted suspension upgrades can unlock a much higher level of grip, feedback, and confidence. This guide breaks down the most effective suspension modifications for the 370Z, the top brands in each category, real-world costs, and what to expect from each upgrade. Whether you’re building a daily driver, a weekend canyon carver, or a dedicated track machine, understanding the options and trade-offs will help you spend wisely.

Why Upgrade Your Suspension?

The factory suspension on the 370Z is competent but designed with a wide audience in mind. It features MacPherson struts up front and a multi-link rear setup, but the spring rates, damping, and bushing compliance leave room for improvement. Upgrading the suspension can deliver several measurable benefits:

  • Reduced body roll – Stiffer springs, sway bars, and better damping keep the chassis flatter through corners, maximizing tire contact patch and allowing higher cornering speeds.
  • Improved steering response – Firmer bushings, stiffer strut braces, and performance shocks transmit steering inputs more directly to the wheels, reducing vagueness and delay.
  • Better weight transfer management – Adjustable coilovers and properly matched springs let you fine-tune the car’s behavior during braking, acceleration, and turn-in.
  • Lower center of gravity – Dropping ride height by 1–2 inches reduces weight transfer and gives a more planted feel, especially during high-speed cornering.
  • Enhanced aesthetics and stance – While performance is the primary goal, a properly lowered 370Z with a well-chosen wheel setup simply looks more purposeful.

It’s important to note that suspension upgrades often require complementary changes—such as an alignment, camber adjustments, and sometimes reinforcing other components—to fully realize their potential.

1. Coilovers

Coilovers replace the entire strut and spring assembly with a single unit that offers adjustable ride height and, on many models, adjustable damping (compression and rebound). They are the most comprehensive suspension upgrade for the 370Z because they give you control over both stance and handling characteristics.

What to look for: Entry-level coilovers (e.g., BC Racing BR series) offer damping adjustment and a reasonable range of height adjustment. Mid-range options (Fortune Auto 500, KW V3) add more sophisticated valving and often a longer service life. High-end units (Öhlins, MCS, JRZ) bring motorsport-grade precision but cost significantly more. Also consider whether the coilover uses a separate height adjustment (shock body length) versus a spring perch adjustment—independent adjustment avoids binding the suspension geometry.

  • Top brands: BC Racing, Fortune Auto, Tein, KW, Ohlins, HKS, Stance, Yellowspeed
  • Cost range: $800–$2,500 for street/performance sets; $2,500+ for true race units
  • Notable models for 370Z: BC Racing ER Series ($1,050), Fortune Auto 500 Series ($1,400), KW Variant 3 ($2,000), Öhlins Road & Track ($2,800)
  • Installation considerations: Professional installation is recommended if you are not experienced with suspension work. Expect 4–6 hours of labor. A corner balance and alignment are mandatory after installation.

2. Sway Bars (Anti-Roll Bars)

Sway bars connect the left and right suspension arms to resist chassis roll. A stiffer rear bar is one of the most cost-effective ways to reduce understeer on a 370Z and promote tighter turn-in. Many owners pair a beefier rear bar with a factory or slightly stiffer front bar to fine-tune balance.

  • Top brands: Whiteline, Eibach, Stillen, Hotchkis, Tanabe, Cusco
  • Cost range: $200–$600 per bar or $350–$900 for a front-rear kit
  • Sizes: Rear bars typically range from 20 mm to 27 mm; front bars from 27 mm to 32 mm. Adjustable bars (multiple endlink holes) allow incremental tuning.
  • Installation notes: Replacing sway bars is a moderate DIY job if you have jack stands and basic tools. You will also need aftermarket endlinks (about $50–$150) to match the stiffer bar and eliminate binding.

3. Strut Braces (Strut Tower Bars)

Strut braces connect the top of the front or rear strut towers, reducing chassis flex under cornering loads. While the 370Z chassis is stiff, bracing the front strut towers can improve turn-in response and feedback through the steering wheel. A rear strut brace (or a triangulated C-pillar bar) helps tighten the rear structure when the car is loaded in a corner.

  • Top brands: Cusco, Nismo, Stillen, GT Spec, Carbing, HIC
  • Cost range: $100–$350 for front brace; $150–$400 for rear brace
  • Installation: Very easy DIY—bolt on with no modifications. Note that some rear braces interfere with trunk space or the factory rear strut cover.

4. Lowering Springs

If you want to lower the car and improve appearance without replacing the entire strut assembly, lowering springs are a budget-friendly option. They lower the car approximately 1.0–1.5 inches and feature stiffer spring rates to handle the reduced travel.

  • Top brands: Eibach (Pro-Kit), H&R (Sport), Tein (S.Tech), Swift (Sport), Stillen
  • Cost range: $200–$450
  • Important caveat: Lowering springs work with the stock shocks, but the shocks are not optimized for the lower ride height or higher spring rates. This often results in a bouncy ride and reduced damping control. Many owners compromise and later upgrade to matched performance shocks. For daily driving, a modest drop (1 inch) with Swift or Eibach springs is acceptable; aggressive drops (1.5+ inches) should be paired with aftermarket shocks.

5. Performance Shocks (Dampers)

Factory shocks have soft, fade-prone valving that limits handling consistency, especially during repeated hard cornering. Performance shocks—either monotube or twin-tube—provide more precise damping, better heat dissipation, and longer life. They can be paired with lowering springs or with your factory springs if you only want improved control without lowering.

  • Top brands: Bilstein (B6/B8), Koni (Sport/Yellow), Tokico (D-Spec), KYB (AGX)
  • Cost range: $500–$1,200 for a set of four
  • Matching with springs: Bilstein B8 is specifically designed for lowered applications, while B6 works with stock ride height. Koni Sport (Yellow) is adjustable and pairs well with moderate lowering springs.
  • Installation: Similar labor to coilover installation; often included in the same job if done simultaneously.

6. Camber Arms and Toe Rods

Lowering the 370Z introduces negative camber in the rear and often pulls the toe out of spec. Adjustable rear camber arms and toe rods let you realign the suspension to factory or desired specs, preserving tire life and maximising cornering grip. Front camber can be adjusted via eccentric bolts or adjustable upper control arms, but the rear is the critical area after a drop.

  • Top brands: SPC, Kinetix, Z1 Motorsports, Cusco, Voodoo13, Godspeed
  • Cost range: $150–$400 per pair for camber arms; $100–$250 for toe rods
  • Necessity: If you lower more than 1 inch, adjustable rear camber arms are highly recommended. A full set of adjustable arms (camber + toe) will cost between $300 and $600 and is essential for a proper alignment after coilovers or lowering springs.

7. Bushings (Polyurethane or Solid)

Factory rubber bushings in the control arms, subframe, and differential mounts flex under load, dulling response and allowing wheel hop. Replacing them with polyurethane or solid spherical (bearing) bushings dramatically tightens the chassis and improves traction. This is a more involved upgrade but one that yields enormous rewards in feel and stability.

  • Top brands: Energy Suspension, Whiteline, SuperPro, Spherical (for race use)
  • Cost range: $100–$400 for a bushing kit (often includes front lower control arm, rear camber arm, and subframe bushings)
  • Installation effort: High – requires pressing bushings out and in. Most owners choose to have a shop install them. Expect 4–6 hours of labor. Alternatively, pre-bushed control arms (e.g., Z1 Motorsports adjustable arms with poly bushings) simplify the job.

Cost Considerations: Beyond the Parts

When budgeting for suspension mods, many enthusiasts overlook the ancillary costs. A realistic spreadsheet includes:

  • Installation labor: $400–$1,000 depending on the complexity (coilovers and bushings are the most labor-intensive).
  • Alignment: $100–$250 for a standard alignment; a corner balance with performance alignment can run $400–$600.
  • Additional parts: Replace suspension bolts (often single-use), add camber arms if needed, endlinks, and possibly sway bar reinforcement brackets.
  • Tools: If you DIY, you may need a spring compressor, torque wrench, and impact gun. Factor in $100–$300 if buying from scratch.
  • Future upgrades: Stiffer suspension may expose weaknesses in other areas—like worn-out motor mounts or differential bushings—so budget for related fixes.

Choosing the Right Setup for Your Goals

The “best” suspension mods depend entirely on how you use the car. Below are three common profiles and recommended packages.

Street-Focused Daily Driver

  • Best mods: Lowering springs (Eibach Pro-Kit or Swift) + Koni Sport shocks + front strut brace + (optional) rear sway bar. This improves handling and looks without ruining ride quality.
  • Estimated total cost: $900–$1,500 (parts + alignment)

Weekend Fun / Autocross / Track Day

  • Best mods: Coilovers (Fortune Auto 500 or BC Racing) + adjustable sway bars + camber arms + toe rods + poly subframe bushings. Corner balance the car for optimal weight distribution.
  • Estimated total cost: $2,500–$4,000 (parts + installation + alignment)

Competitive Track / Time Attack

  • Best mods: High-end coilovers (Öhlins, MCS) + spherical bearing bushings + full adjustable control arms + massive sway bars + chassis bracing. Expect to spend $5,000–$8,000+.
  • Also consider: Custom-valved dampers, dual-rate springs, and a full suspension corner balance from a race shop.

Installation Tips and Recommendations

  • Always replace hardware: Suspension bolts, especially on the 370Z, are torque-to-yield and should be replaced if loosened. Use OEM or aftermarket equivalents.
  • Don’t skip the alignment: Even a small ride height change alters camber and toe. Without a proper alignment, tires wear unevenly and the car behaves unpredictably.
  • Consider refresh components: While you are in there, replace bump stops, dust boots, and top mounts (many coilovers come with new mounts, but not all).
  • Use anti-seize on adjustable threads: Coilover threads and camber arm pivot bolts can corrode; a light coating of anti-seize ensures future adjustments remain possible.
  • Test and tweak: After installation, drive the car for a few hundred miles to let the suspension settle, then re-check torque on all bolts and re-measure ride height.

Conclusion

The Nissan 370Z is already a capable platform, but its suspension can be transformed into something far more precise and engaging with the right parts. Coilovers give the most control, sway bars and bushings sharpen response, and adjustable arms make the setup usable and reliable. Start by defining your primary use and budget, then choose complementary upgrades rather than mix-and-matching unrelated parts. With proper planning and installation, you will end up with a car that not only handles better but is also more rewarding to drive—whether you’re carving a canyon, chasing lap times, or simply enjoying the daily commute.

For further reading and community feedback, check out the The370Z.com forum, browse parts from Z1 Motorsports for OEM and aftermarket parts, and visit Concept Z Performance for curated 370Z suspension packages.