Whiteline · New
Whiteline 15-21 Subaru WRX/STI Front Lower Control Arms w/ Caster Correction
MPN KTA407 · Store SKU whlKTA407
Supplier stock checked 11/7/2026, 2:42:14 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Upgrade your VA Subaru WRX with Whiteline Alloy Front Lower Control Arms for sharper handling, improved steering response, and enhanced front-end grip. Lightweight alloy construction reduces unsprung weight, while high-performance bushings minimize deflection to maintain precise suspension geometry under load. Engineered with an additional 0.5 deg of positive caster for improved stability and cornering performance, the kit also includes adjustable spacers that allow anti-lift and anti-dive geometry tuning to suit your driving style. Delivering greater front-end confidence on both street and track, these control arms are the ultimate suspension upgrade for performance-focused WRX owners. An alloy front lower control arm for the 2015-2021 Subaru WRX. Lightweight construction reduces unsprung weight, and adjustable spacers plus added positive caster allow front geometry to be tuned. Front Lower Control Arm Alloy Adjustable Caster
Manufacturer fitment & guides
Check KTA407 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y