COBB Front Control Arm Inner Bushing Kit STD Alignment (CB-4425K) | Subaru WRX 2015-2021 / STI 2011-2021

The COBB Front Control Arm Inner Bushing Kit STD Alignment (CB-4425K) replaces the factory front control arm bushings on Subaru WRX and STI models with performance-oriented components designed to improve steering response, stability, and chassis precision. Engineered for standard alignment geometry, these upgraded bushings reduce unwanted flex while maintaining comfortable road manners for daily use.

KEY FEATURES

• Direct replacement for OEM inner control arm bushings
• Reduces suspension deflection for sharper turn-in and improved steering feedback
• STD alignment specification maintains factory geometry while enhancing precision
• Ideal for spirited driving, performance street setups, or vehicles with mild suspension upgrades
• Durable construction engineered to withstand repeated suspension load cycles
• Restores suspension rigidity often lost with aging factory rubber bushings

TECHNICAL SPECIFICATIONS

• High-durometer bushing material designed to limit flex under braking and cornering
• Precision-molded fitment for proper alignment within OEM control arms
• Engineered to balance improved handling with controlled NVH characteristics
• Compatible with factory and most aftermarket front suspension components
• Intended to retain factory alignment settings (STD geometry)

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.