SuperPro Front Lower Alloy Control Arm Kit Subaru WRX 02-05 / STI 04-06 | ALOY0020K

Upgrade your chassis geometry and improve front-end behavior with this all-in-one alloy lower control arm set built for GC/GD platform Impreza, WRX, and STI models. This kit replaces both ALOY0004K and ALOY0008K, offering a full solution with modernized components.

Key Features & Benefits

• Lightweight, high-strength alloy arms for reduced unsprung mass

• Integrated anti-lift geometry via pre-assembled rear bushing brackets

• HD adjustable end links included, allowing tuning flexibility

• New ball joint bosses to facilitate easier installation

• Dual sets of forward bushings included (for both USDM and JDM subframe options)

• Replaces two older kits with a unified, upgraded solution

• Backed by a 3‑year warranty

Installation & Usage Notes

• A full alignment is required after installation

• Torque all hardware with the vehicle on the ground to avoid bushing pre-load

• Verify fitment for ball joints, subframe offsets, and end link length

• Inspect bushings, arms, and joints periodically, especially after aggressive use

Why Choose This SuperPro Kit?

This control arm set delivers a modern, performance-grade replacement that corrects geometry, reduces weight, and gives you flexibility for builds and modifications. The inclusion of new ball joint bosses and multiple bushing options adds convenience and broad applicability across USDM and JDM configurations.