Super Pro Front Alloy Control Arm Kit (Standard Geometry) - 2015-2021 WRX, 2015-2021 STI

Product Overview

The Super Pro ALOY0016K front alloy control arm kit upgrades the original steel WRX arms while retaining standard caster geometry. Preinstalled polyurethane and DuroBall bushings reduce unwanted arm movement for more consistent alignment and steering response.

Features

• Lightweight alloy arms with upgraded bushings installed.
• Anti-lift geometry helps maintain traction under acceleration.
• Standard caster configuration does not move the front wheels forward.
• Bonded steel rear bushing shells reduce friction during suspension travel.

Specifications

• Manufacturer part number: ALOY0016K
• Position: Front lower
• Supplied as a left and right pair.
• Ball joints are not included.

What's Included

• Two alloy control arms with preinstalled bushings.
• Installation hardware and replacement ball joint bosses.

Vehicle Fitment

• 2015-2021 Subaru WRX
• 2015-2021 Subaru WRX STI

Installation Information

SuperPro recommends installation by a suspension specialist and a front wheel alignment. Estimated installation time: 3 hours. For additional roll-center and bump-steer correction on lowered vehicles, SuperPro identifies TRC0002 as a complementary kit.

Manufacturer installation instructions