Cusco Pillowball Lower Arm Bushings

2011–2021 Subaru WRX S4 (VAG) / WRX STI (VAB) 2.0L & 2.5L Turbo

Part #: 6A1 464 CV

Overview

The Cusco Pillowball Lower Arm Bushings are a high-performance upgrade designed specifically for Subaru WRX S4 (VAG) and WRX STI (VAB) models. These bushings are engineered to enhance your vehicle’s suspension response, providing a more direct and precise steering feel. Ideal for enthusiasts who demand improved handling, cornering accuracy, and straight-line stability, these pillowball bushings are a popular choice for spirited driving, track days, and off-road adventures.

Constructed with high-precision pillow balls, these bushings eliminate the flex and compression found in standard rubber components, allowing your suspension to perform at its peak. By reducing alignment changes during aggressive driving, they help maintain optimal tire contact with the road, resulting in improved grip and confidence in every turn. The inclusion of rubber boots ensures protection against dirt, dust, and debris, prolonging the lifespan of the bushings and maintaining consistent performance over time.

Key Features

Cusco Pillowball Lower Arm Bushings are crafted with durability and performance in mind, offering a significant upgrade over factory rubber bushings. The pillowball design provides a solid connection that minimizes deflection, translating to sharper steering response and enhanced vehicle control. These bushings are made from high-quality materials that withstand the rigors of racing and spirited driving, ensuring long-lasting performance.

• High-precision pillow balls made from durable materials for maximum strength and stability
• Rubber boots to protect against dirt, dust, and debris, ensuring longevity and consistent performance
• Reduces alignment changes during aggressive driving, improving cornering and straight-line stability
• Strengthens suspension joints that are constantly loaded, maintaining original suspension performance
• Designed for Subaru WRX S4 (VAG) and WRX STI (VAB) models from 2011 to 2021
• Perfect for racing, spirited driving, and street performance applications
• Manufactured by Cusco, a trusted name in motorsport and suspension components

Construction & Design

The Cusco Pillowball Lower Arm Bushings feature a robust construction utilizing high-precision pillow balls that are often used in racing vehicles. The design eliminates the compression and deflection typical of rubber bushings, providing a more direct transfer of suspension forces. The bushings are housed in a durable casing with rubber boots that shield the pillow balls from dirt and contaminants, ensuring reliable operation under demanding conditions. The use of high-quality materials and meticulous manufacturing processes guarantees a precise fit and long-lasting performance, making these bushings a top choice for performance-oriented drivers.

Performance & Sound

By replacing factory rubber bushings with pillowball units, you'll experience a noticeable improvement in steering responsiveness and cornering precision. The increased stiffness helps support better alignment retention during aggressive maneuvers, contributing to enhanced handling dynamics. While these bushings do not significantly alter vehicle sound, the improved suspension feel and feedback will be evident during spirited driving sessions.

Installation & Fitment

The Cusco Pillowball Lower Arm Bushings are designed as direct bolt-on replacements for your Subaru's front and rear suspension lower arms. Installation typically requires basic tools and mechanical knowledge; however, professional installation is recommended to ensure proper alignment and safety. No modifications, cutting, or drilling are necessary, and the process can usually be completed within a few hours.

• Direct bolt-on installation for Subaru WRX S4 (VAG) and WRX STI (VAB) models from 2011 to 2021
• No cutting, drilling, or special tuning required
• Compatible with stock or aftermarket suspension setups

What's Included

• Pair of pillowball lower arm bushings for front and rear suspension
• Rubber boots for each bushing to protect against dirt and debris
• Installation hardware and instructions

Ideal For

• Performance enthusiasts seeking sharper steering response
• Track day and racing drivers aiming for improved cornering accuracy
• Street drivers who want enhanced stability and handling
• Subaru owners looking to upgrade suspension durability and performance

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all regions. Please check local regulations before installation.