Superpro · New
SuperPro 2015 Subaru WRX Limited Front Lower Alloy Control Arm Kit (+Caster)
MPN ALOY0017K · Store SKU sprALOY0017K
Supplier stock checked 11/8/2026, 6:58:12 AM 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
SuperPro's ALOY0017K offers a comprehensive DIY performance upgrade for your2015-2021 Subaru WRX or WRX STI Featuring pre-installed SuperPro bushings in the forward position of the arm and SuperPro's caster offset DuroBall bushing assembly at the rear the kit allows a bolt-on alloy arm, upgraded bushings and optimized geometry with additional caster and anti-lift geometry. The alloy arm brings strength, rigidity and a small weight savings relative to the OE steel arms. The geometry upgrades offer improved tire contact patch at the front end when accelerating, cornering and braking - working the tire more effectively and efficiently to generate greater grip and traction. The kit also includes new OEM style ball joint bosses to facilitate an easier installation (the OEM pieces often seize onto the OEM ball joints on the OEM arms) Control Arm Lower - Arm Assembly
Manufacturer fitment & guides
Check ALOY0017K against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
