Description

The CUSCO Adjustable Rear Upper Arm is a high-precision alignment component engineered to provide extensive camber and toe adjustability for the GR Yaris rear suspension. This direct bolt-on replacement arm allows for fine-tuning of rear-wheel geometry, essential for optimizing tire contact, handling balance, and stability—particularly on lowered vehicles or for competitive track use.

Product Highlights

🎯 Precision Rear Alignment Control
Enables precise adjustment of both camber and toe angles in the rear suspension, allowing you to dial in the perfect alignment for your driving style, tire setup, and performance goals.

🔧 Direct Bolt-On Replacement
Designed as a direct, high-strength replacement for the factory rear upper arm, ensuring a seamless installation process without modification to the vehicle’s suspension mounting points.

📐 Wide Adjustment Range
Offers an adjustment range of Stock ±10mm, providing significant flexibility to correct alignment after lowering or to fine-tune handling characteristics for track, autocross, or spirited street driving.

📄 Certified Strength & Quality
Each arm includes a strength assessment sheet, validating its construction and durability under high-load conditions, ensuring confidence in both performance and safety.

⚙️ Essential for Lowered & Performance Setups
Critical for restoring proper suspension geometry after lowering the vehicle, preventing uneven tire wear and ensuring that the rear suspension operates within its optimal range for grip and stability.

Technical Specifications

• Type: Adjustable Rear Upper Control Arm

• Adjustment Range: Stock ±10mm (Camber & Toe)

• Installation: Direct bolt-on replacement

• Included Documentation: Strength assessment sheet

• Compatibility: GR Yaris (GXPA16)

Kit Information

• Product Code: 1C7-474-L

• JAN Code: 4996338040411

Installation & Tuning Notes

🔧 Professional Installation & Alignment Required
Installation should be performed by a qualified technician. A professional wheel alignment is mandatory after installation to accurately set camber and toe to your desired specifications.

⚖️ Part of a Complete Suspension Tuning System
For best results, use alongside other CUSCO suspension upgrades such as adjustable stabilizer links, performance stabilizer bars, and coilovers to achieve a fully optimized and balanced chassis setup.

📏 Ideal for Correcting Lowered Geometry
An essential upgrade for any GR Yaris that has been lowered, as it corrects the altered suspension angles that can lead to reduced grip, unstable handling, and accelerated tire wear.