AST 5100 Series Coilovers

2002–2007 Subaru Impreza WRX 2.0L Turbo

Part #: ACU-S6206S

Overview

The AST 5100 Series Coilovers are engineered to elevate your Subaru WRX's performance and handling capabilities. Designed specifically for the 2002-2007 Subaru WRX models, these coilovers provide a versatile suspension upgrade suitable for both spirited street driving and competitive track use. Whether you're looking to improve cornering, reduce body roll, or enhance ride comfort, the 5100 series offers a tailored solution to meet your driving needs.

Built with precision and durability in mind, these coilovers allow you to fine-tune your vehicle's ride height and damping settings, giving you the flexibility to achieve the perfect balance between performance and comfort. Ideal for enthusiasts who demand reliable, high-quality suspension components, the AST 5100 series helps you unlock your vehicle's full potential on the road or track.

Key Features

The AST 5100 Series Coilovers incorporate advanced features to deliver superior handling and adjustability:

• 1-Way Adjustable damping with 12 distinct positions, providing precise feedback and control over ride quality and handling characteristics.
• High-quality monotube design ensures consistent performance and improved heat dissipation during aggressive driving sessions.
• Adjustable ride height allows for customization to optimize stance, clearance, and handling dynamics without compromising safety or comfort.
• Durable, corrosion-resistant components built from high-grade materials to withstand harsh driving conditions and long-term use.
• Designed specifically for the Subaru WRX, ensuring a perfect fit and seamless integration with factory mounting points.
• Enhanced feedback and responsiveness, giving you greater confidence during spirited driving or track days.
• Engineered to improve overall vehicle stability, reduce body roll, and support aggressive cornering.

Construction & Design

The AST 5100 Series Coilovers feature a monotube construction that provides superior damping performance and durability. The high-strength steel bodies are finished with corrosion-resistant coatings to ensure longevity even in challenging environments. The adjustable components are precision-machined for a perfect fit and smooth operation, allowing for easy customization of ride height and damping settings.

The design emphasizes a low center of gravity and optimized weight distribution, which enhances handling response and reduces body roll. The coilovers are engineered with a focus on driver feedback, ensuring that each adjustment translates into predictable and consistent behavior on the road or track.

Installation & Fitment

The AST 5100 Series Coilovers are designed as a direct bolt-on upgrade for the 2002-2007 Subaru WRX. Installation is straightforward for those with basic mechanical skills, as they utilize the factory mounting points and do not require cutting or welding. Some adjustment of ride height and damping may be necessary to achieve your desired setup. No special tuning is required, but fine-tuning the damping settings can help optimize handling based on your driving conditions.

• Complete coilover system with adjustable dampers, springs, and mounting hardware
• Designed for easy installation with factory mounting points
• No cutting, drilling, or complex modifications needed

What's Included

• Front and rear coilover assemblies
• Adjustable damping units
• Mounting hardware and tools for installation
• Instruction manual for proper setup and adjustment

Ideal For

• Subaru WRX owners seeking improved handling and ride quality
• Enthusiasts wanting to customize ride height and damping for street or track use
• Drivers looking for a durable, high-performance suspension upgrade