Vehicle Compatibility

Lexus GS

Compatible with:

• 1998 Lexus GS300
• 1999 Lexus GS300
• 2000 Lexus GS300
• 2001 Lexus GS300
• 2002 Lexus GS300
• 2003 Lexus GS300
• 2004 Lexus GS300
• 2005 Lexus GS300
• 1998–2000 Lexus GS400
• 2001–2005 Lexus GS430

Lexus IS

Compatible with:

• 2001 Lexus IS300
• 2002 Lexus IS300
• 2003 Lexus IS300
• 2004 Lexus IS300
• 2005 Lexus IS300

Restore Rear Camber

Lowering springs and coilovers frequently push rear camber beyond factory specifications.

These adjustable upper control arms allow you to:

• Restore factory alignment
• Reduce excessive negative camber
• Extend rear tire life
• Improve tire contact patch
• Fine-tune suspension geometry for street or track use

The ±3° adjustment range provides enough flexibility for most lowered applications.

Spherical Bearing Upgrade

Instead of traditional rubber bushings, these control arms use spherical bearings.

Benefits include:

• Reduced suspension deflection
• Sharper steering response
• More consistent alignment under load
• Improved cornering precision
• Enhanced suspension feedback

Because spherical bearings are significantly stiffer than rubber bushings, some additional noise, vibration, and harshness (NVH) is normal.

Heavy-Duty Construction

The camber arms are engineered for strength and durability.

Construction highlights include:

• Heavy-duty steel construction
• Adjustable threaded design
• Precision-machined hardware
• Corrosion-resistant finish
• Designed for street and performance applications

Adjustment Range

Camber

• -3° to +3°

Arm Length

• Overall adjustable length: 320–390 mm
• Eye-to-eye adjustment: 275–345 mm

This range allows technicians to achieve proper alignment on stock-height and moderately lowered vehicles.

Installation

Typical installation includes:

1. Raise and safely support the vehicle.
2. Remove the factory rear upper control arms.
3. Install the maXpeedingrods camber arms.
4. Set an initial camber adjustment.
5. Torque all hardware to specification.
6. Complete a professional four-wheel alignment.

Professional installation is recommended.

Warranty & Support

maXpeedingrods includes:

• 1-year limited warranty
• Lifetime technical support

This provides additional peace of mind for long-term ownership.

Pros

• Fits multiple Lexus GS and IS models
• Adjustable ±3° rear camber
• Spherical bearings improve suspension precision
• Heavy-duty steel construction
• Excellent for lowered vehicles
• Helps reduce uneven tire wear
• One-year warranty
• Lifetime technical support

Cons

• Increased NVH compared to factory rubber bushings
• Professional alignment required
• Best suited for lowered or modified vehicles rather than stock-height suspension

Final Verdict

The maXpeedingrods Adjustable Rear Upper Camber Arms are a strong upgrade for 1998–2005 Lexus GS300/GS400/GS430 and 2001–2005 Lexus IS300 owners looking to correct rear camber after lowering their vehicle. With ±3 degrees of adjustment, durable steel construction, and performance-oriented spherical bearings, these control arms improve alignment accuracy, handling, and tire longevity.

For enthusiasts building a street, drift, or track-oriented Lexus, this kit offers an excellent combination of adjustability, durability, and value.