Subaru WRX STI Control Arms - Front - Whiteline - Front Lower Control Arms w/ Caster Correction - 17-21. Alloy arms that sharpen steering response and add confidence with corrected caster.

Engineered for 2017–2021 WRX/STI (VA), Whiteline’s lightweight alloy trims unsprung weight for quicker suspension reaction. High-performance bushings limit deflection to keep geometry true under load, while built-in +0.5° positive caster improves stability and cornering. On-car adjustable spacers let you tune anti-lift and anti-dive to suit street or track.

Features

• Lightweight alloy construction reduces unsprung weight
• +0.5° positive caster for improved stability and turn-in
• Performance bushings minimize deflection under load
• On-car adjustable anti-lift/anti-dive spacers
• Direct-fit upgrade for 2017–2021 Subaru WRX/STI (VA)

Have fitment or setup questions? Call us. We support enthusiasts from our Austin, Texas and Los Angeles, California area locations, with installation and customization available at both: 512-982-9393 (TX), 562-981-6800 (CA).

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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