AST Street Series Coilovers

2016–2021 Mazda Miata / 2004–2011 Mazda RX-8

Part #: ACS-M1207S

Overview

The AST 5100 Street Series Coilovers are designed to elevate your driving experience by offering a versatile suspension upgrade suitable for both daily driving and spirited performance. Whether you're cruising through city streets, tackling twisty mountain roads, or heading to the track, these coilovers provide the perfect balance of comfort and handling. Built specifically for the Mazda Miata (2016-2021) and Mazda RX-8 (2004-2011), they are an ideal choice for enthusiasts seeking improved ride quality, adjustable performance, and enhanced vehicle control.

With the AST Street Series Coilovers, you'll get a customizable suspension setup that adapts to your driving style. The coilovers are engineered to deliver precise handling, reduced body roll, and improved responsiveness, making your vehicle more agile and enjoyable to drive. Whether you're looking for a subtle drop for a more aggressive stance or a stiffer setup for track days, these coilovers can be fine-tuned to meet your needs.

Key Features

Designed with versatility and performance in mind, the AST 5100 Street Series Coilovers feature:

• 1-Way Adjustable damping with 12 distinct positions, allowing you to tailor ride firmness and handling characteristics for different driving conditions.
• High-quality, lightweight aluminum bodies that reduce unsprung weight and improve responsiveness.
• Precision-machined components and durable construction to withstand daily use and spirited driving alike.
• Multiple height adjustment options to achieve your preferred stance without sacrificing ride quality or safety.
• Seamless integration with factory mounting points for a straightforward, bolt-on installation process.
• Enhanced stability and cornering performance thanks to optimized spring rates and damping settings.
• Corrosion-resistant finishes to ensure longevity and maintain appearance over time.
• Suitable for street use with the flexibility to handle occasional track or autocross events.

Construction & Design

The AST 5100 Street Series Coilovers are crafted from high-grade materials to ensure durability and consistent performance. The shock bodies are made from lightweight aluminum, which helps reduce overall weight and improve heat dissipation during aggressive driving. The damping adjustment mechanism is engineered for smooth, precise control, enabling you to easily dial in your preferred ride quality. The coilovers feature a monotube design, which provides superior response and stability compared to twin-tube systems.

Each coilover is meticulously assembled with TIG-welded components and tested to meet strict quality standards. The adjustable spring perches and threaded bodies allow for easy height adjustments, giving you the ability to customize your vehicle's stance without compromising ride comfort or handling. The corrosion-resistant finishes ensure these coilovers will withstand the elements and maintain their performance and appearance over time.

Installation & Fitment

The AST 5100 Street Series Coilovers are designed as a direct bolt-on upgrade for your Mazda Miata (2016-2021) and Mazda RX-8 (2004-2011). Installation typically requires basic hand tools and can be completed with standard mechanical skills. No cutting, drilling, or complex modifications are necessary, and the coilovers are compatible with factory mounting points. For optimal performance, a professional alignment is recommended after installation to ensure proper handling and tire wear.

• Bolt-on installation with no need for additional modifications
• Adjustable ride height and damping to suit your preferences
• Suitable for street and spirited driving applications

What's Included

• Complete set of front and rear coilovers
• All necessary mounting hardware and tools
• Installation instructions

Ideal For

• Mazda Miata (2016-2021) owners seeking improved handling and ride quality
• Mazda RX-8 (2004-2011) enthusiasts wanting a versatile suspension upgrade
• Street drivers who want adjustable performance without sacrificing comfort
• Performance enthusiasts looking for a customizable suspension setup for daily driving and occasional track use