Description
Crafted, engineered, tested, and assembled in Colorado, SPC Performance’s adjustable upper control arms are designed to enhance your Toyota 4Runner and Tacoma’s suspension performance. Featuring forged steel construction for maximum durability, these control arms improve suspension travel, handling, and tire wear while ensuring the tire remains centered in the wheel well for optimal clearance. The inclusion of maintenance-free ball joints and sealed xAxis™ flex joints in bonded rubber sleeves allows for correction of alignment angles and helps restore factory ride quality. The design provides a full 80° of articulation in the ball joint, enabling superior suspension movement and performance. These control arms are equipped with positive caster built-in for lifted vehicles, effectively restoring alignment angles that can be affected by suspension modifications. This ensures better handling and stability, particularly important when running oversized tires. The adjustable feature, combined with OE adjusters, allows for precise camber and caster adjustments, providing the flexibility to move tires forward for larger tires without the need for fender trimming or frame modifications. The control arms also feature a one-piece polymer race in the ball joint with a modern grease formula, ensuring smooth, quiet operation with low turning torque and extended service life. The larger stud cross-section in the new ball joint enhances strength, while the E-Nickel coating offers superior corrosion resistance. The bonded rubber bushings and sealed flex joints help extend suspension travel and improve NVH characteristics, resulting in a smoother ride. These control arms are designed specifically for the first-generation Toyota Tacoma and third-generation 4Runner, offering direct fitment and ease of installation. They are sold as pairs and are ideal for those looking to upgrade their suspension for off-road adventures or larger tires, providing improved alignment, handling, and tire longevity without extensive modifications. Please note that if additional adjustment cams are required, part #25430 is recommended for use alongside these control arms.
Features:
- Adjustment range combined with OE adjusters to correct alignment angles, improving drivability and reducing tire wear, with the ability to move tires forward for larger tires without frame or fender modifications
- Modern sealed ball joints with a one-piece polymer race and advanced grease formula ensure quiet, smooth operation and low wear, tested to perform like OE components
- Ball joints feature a 25% larger stud cross-section for enhanced strength and are coated with E-Nickel for superior corrosion resistance, providing 80° of articulation
- xAxis™ sealed flex joints in bonded rubber bushings allow for extended suspension travel and superior NVH characteristics
- Forged steel construction offers maximum strength and clearance, with built-in positive caster adjustment for lifted vehicles
- Fully sealed ball joint architecture retains grease and prevents contaminants, ensuring maintenance-free operation
- Front camber adjustment range of ±2.00° and caster adjustment from 0.00° to +4.00°
- Designed for use on one per axle, sold as a pair for complete installation


















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