The Complete Guide to Nissan 350Z Suspension Parts

The Nissan 350Z (Z33) is a driver's car, but its stock suspension can start to feel dated. Upgrading or replacing suspension parts can transform its handling, comfort, and stance. This guide covers the essential suspension components for the 350Z, helping you decide which parts fit your driving style and budget.

Understanding Your 350Z’s Suspension System

The 350Z uses a double-wishbone front suspension and a multi-link rear setup. Over time, bushings wear, shocks lose damping, and springs sag. Common symptoms include excessive body roll, vague steering, bouncy rides, and uneven tire wear. Whether you’re refreshing a high-mileage car or building a track toy, knowing the individual parts is key.

OEM vs Aftermarket Suspension Parts

OEM (original equipment manufacturer) parts are exactly what came from the factory. They offer predictable performance and longevity but limit adjustability. Aftermarket parts range from direct replacements to fully adjustable coilovers. Many 350Z owners choose aftermarket for better handling, lower ride height, or adjustability. However, not all aftermarket parts are equal—quality varies widely.

Key Suspension Parts for the Nissan 350Z

Coilovers

Coilovers replace the spring and shock assembly with a single unit. They allow ride height adjustment and often feature adjustable damping (rebound and compression). For the 350Z, popular options include brands like BC Racing, Tein, KW, and Ohlins. Entry-level coilovers cost around $800–$1,200, while high-end track sets can exceed $3,000. For street use, a set with adjustable damping and reasonable spring rates (around 7k/8k) strikes a good balance between comfort and performance. Coilovers are the most effective single upgrade for handling.

Lowering Springs

If you want a lowered look without spending on full coilovers, lowering springs are a budget-friendly option. They work with your stock shocks, but the factory dampers may not handle the increased spring rate well, leading to a bouncy ride. Many 350Z owners pair lowering springs with aftermarket shocks for better results. Eibach Pro-Kit and H&R Sport springs are popular choices, dropping the car about 1.0–1.5 inches. Keep in mind that lowering too much without adjusting camber can cause uneven tire wear.

Shocks and Struts

Worn shocks degrade handling and ride comfort. Replacing them with quality units can restore factory performance or improve it. For a street-driven 350Z, KYB Excel-G or Bilstein B6 shocks are reliable OEM replacements. For sportier driving, Bilstein B8 shocks are paired with lowering springs. Do not confuse these with coilovers—shocks/struts only provide damping, not ride height adjustment.

Sway Bars (Anti-Roll Bars)

Sway bars reduce body roll during cornering. Upgrading to thicker bars improves turn-in response and stability. The 350Z benefits from a larger rear bar to reduce understeer. Common upgrades include Eibach, Hotchkis, and Whiteline. A typical setup is a 27mm front and 22–27mm rear bar. Adjustable end links allow fine-tuning. Sway bars are often one of the first modifications for autocross or track use.

Control Arms and Tension Rods

Stock control arms use rubber bushings that flex under load. Replacing them with adjustable arms allows you to dial in camber and caster. Front upper control arms (also called camber arms) are needed after lowering to fix negative camber. Rear camber and toe arms help align the rear suspension. Brands like SPL, GKTech, and Megan Racing offer durable pieces with spherical bearings. For street use, polyurethane bushings are quieter and last longer than heim joints.

Bushings and Mounts

Worn suspension bushings cause imprecise handling and noise. Polyurethane replacement bushings (e.g., Energy Suspension, Whiteline) tighten up the feel without making the ride harsh. Subframe bushings, differential bushings, and motor mounts also affect the suspension. Replacing them in a phased approach can dramatically improve chassis response.

Strut Tower Bars (Strut Braces)

Strut bars connect the top of the shock towers, reducing chassis flex during cornering. While not a direct suspension part, they improve steering response. Front and rear strut bars are available for the 350Z. They are relatively low-cost and easy to install.

How to Choose the Right Parts for Your 350Z

Decide your primary goal: daily driving comfort, weekend canyon carving, or track performance. For a daily, start with fresh OEM shocks and polyurethane bushings. For sporty street use, a set of lowering springs with appropriate shocks and a rear sway bar works well. For dedicated track work, go with coilovers and adjustable control arms. Budget matters—buy quality parts that match your use; cheap components can lead to poor ride and premature wear. Also consider compatibility: not all aftermarket coilovers fit all years (2003–2009) without modification.

Installation Considerations

Many suspension parts are DIY-friendly with basic tools, but alignment and torque specs are critical. After lowering, expect to need a professional alignment. If you replace control arms or tie rods, consider replacing bolts and nuts with new ones. Some components (like rear toe bolts) are single-use. Clunking or squeaking after installation often indicates loose bolts or binding bushings. Proper torque and lube (for poly bushings) are essential.

Final Recommendation

For most 350Z owners, a balanced upgrade path is: start with a rear sway bar and fresh OEM-style shocks (like KYB Excel-G) if yours are old. Then add lowering springs (Eibach Pro-Kit) and a front strut bar. If you want a full handling transformation, invest in a quality set of coilovers (e.g., BC Racing BR series) and adjustable front camber arms. Always align after changes. Avoid mixing mismatched parts—a well-matched system delivers predictable performance. Take your time to research part compatibility and read fitment notes from reputable vendors. The 350Z rewards careful suspension tuning with a sharper, more connected driving experience.