STILLEN 2003-2009 Nissan 350Z [Z33] / 2003-2007 Infiniti G35 Adjustable Sway Bar Kit - 304350

Take control of your Nissan 350Z [Z33] or Infiniti G35 with the STILLEN Adjustable Sway Bar Kit (304350), engineered to reduce body roll, improve cornering, and enhance vehicle stability without compromising ride quality. Designed for both street comfort and track performance, these sway bars are thicker, stiffer, and more precise than stock components, providing a tuned balance between performance and drivability.

The front sway bar measures 35mm in diameter and is 5-way adjustable, allowing stiffness adjustments from 7–70% stiffer than stock. The rear bar is 22mm in diameter, 3-way adjustable, and can be tuned 37–70% stiffer than stock. Both bars are made from aerospace-grade high strength steel with a durable powder-coated finish, providing superior rigidity, corrosion resistance, and long-lasting performance.

Installation is simple and uses OEM mounting points, ensuring a precise fit and reliable performance. The STILLEN 304350 sway bar kit is ideal for drivers who want to improve handling, maintain maximum tire contact, and confidently attack corners whether on the street, canyon roads, or the track.

Note: Does not fit AWD G35X models. Compatible with both G35 coupe and sedan models.

Features & Benefits

• Front & Rear Adjustable Sway Bar Kit – Complete handling upgrade
• 5-Way Adjustable Front Bar – 7–70% stiffer than stock for precision tuning
• 3-Way Adjustable Rear Bar – 37–70% stiffer than stock for improved cornering
• High-Strength Aerospace Grade Steel – Maximum torsional rigidity and durability
• Powder-Coated Finish – Corrosion resistant with premium appearance
• Thicker Walled & More Rigid Than Stock – Maintains feel and control
• OEM Mounting Points – Easy installation without modification
• Street Comfort & Track Performance – Tunable stiffness for different driving conditions
• Limited 1-Year Warranty – Quality and performance guaranteed

Specifications

Front Sway Bar – 35mm / 1-3/8" diameter, 5-way adjustable

• Stiffness range: 7–70% increase over stock

Rear Sway Bar – 22mm / 7/8" diameter, 3-way adjustable

• Stiffness range: 37–70% increase over stock

Vehicle Fitment

• 2003–2009 Nissan 350Z [Z33]
• 2003–2007 Infiniti G35 (Coupe & Sedan; excludes AWD G35X)

Installation Notes

• Uses OEM mounting points for easy, bolt-on installation
• Includes all hardware and instructions
• Professional installation recommended for optimal performance