COBB Front Control Arm Inner Bushing Kit Offset Alignment (CB-4428K) | Subaru WRX 2015-2021 / STI 2011-2021

The COBB Front Control Arm Inner Bushing Kit Offset Alignment (CB-4428K) replaces the OEM front control arm bushings on Subaru WRX and STI models with performance-oriented components designed to increase caster for improved handling. This offset-spec bushing kit enhances straight-line stability, boosts turn-in response, and provides a more confident steering feel without requiring aftermarket control arms.

KEY FEATURES

• Offset alignment bushings increase positive caster for sharper handling
• Reduces suspension flex for improved steering precision and stability
• Enhances cornering confidence and front-end grip
• Ideal for performance street driving, autocross setups, or spirited canyon runs
• Durable construction maintains rigidity under high load and repeated suspension cycles
• Direct replacement for factory inner control arm bushings

TECHNICAL SPECIFICATIONS

• Offset bushing geometry engineered to add positive caster
• High-durometer material minimizes unwanted deflection
• Precision-molded fitment ensures proper control arm alignment
• Designed to balance improved performance with controlled NVH levels
• Compatible with OEM and most aftermarket suspension configurations

VEHICLE FITMENT

• Subaru WRX 2015–2021
• Subaru STI 2011–2021

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.