Cusco Rear Strut Bar Type OS

1993–1996 Mazda RX-7

Part #: 422 541 A

Overview

The Cusco Rear Strut Bar Type OS is a high-quality chassis reinforcement component designed specifically for the Mazda RX-7 from 1993 to 1996. Engineered to enhance the structural rigidity of your vehicle's rear suspension, this strut bar helps reduce chassis flex during spirited driving, cornering, and high-performance maneuvers. Whether you're a street enthusiast, track day participant, or dedicated tuner, this strut bar provides noticeable improvements in handling response and stability.

Constructed with precision and attention to detail, the Cusco Rear Strut Bar is an ideal upgrade for those seeking to maximize their RX-7's chassis performance. By stiffening the rear suspension mounting points, it allows for more predictable handling, improved steering feedback, and better overall control, especially during aggressive driving conditions. This component is perfect for enthusiasts who want to extract the most from their vehicle's chassis without sacrificing daily drivability.

Key Features

The Cusco Rear Strut Bar Type OS incorporates several advanced design features that set it apart from standard OEM components:

• Made from lightweight yet durable aluminum with an oval cross-section, the bar offers an optimal balance between strength and weight savings, ensuring minimal impact on vehicle weight while providing maximum reinforcement.
• The oval shaft design not only enhances aesthetics but also improves the structural integrity of the bar, resisting deformation under load during aggressive driving.
• Inside the piping, the engineered hollow structure is optimized for strength-to-weight ratio, helping to reduce chassis flex without adding unnecessary weight.
• Steel end plate brackets are meticulously painted in Cusco's signature blue, ensuring corrosion resistance and a sleek appearance that complements the vehicle's engine bay.
• Designed for a simple bolt-on installation, the strut bar mounts directly to factory suspension points without the need for modifications or drilling, making it a straightforward upgrade for enthusiasts and professionals alike.
• Available in multiple center bar configurations tailored to specific applications, ensuring a perfect fit and optimal performance for your Mazda RX-7.
• Manufactured with high-precision craftsmanship, including TIG welding and CAD-designed components, to ensure durability and precise fitment.

Construction & Design

The Cusco Rear Strut Bar Type OS features a one-piece aluminum construction with an oval cross-section, which provides superior strength while maintaining lightweight characteristics. The use of high-quality aluminum ensures resistance to corrosion and fatigue, even under demanding driving conditions. The brackets are crafted from steel and finished with a durable blue paint that not only adds to the aesthetic appeal but also protects against rust and corrosion.

The design emphasizes ease of installation, with bolt-on mounting points that align perfectly with the factory suspension mounting locations. The precise engineering ensures a snug fit, reducing unwanted movement and chassis flex, which translates into more responsive handling and improved driver confidence. The overall construction reflects Cusco's commitment to quality, performance, and durability, making this strut bar a reliable upgrade for your Mazda RX-7.

Performance & Sound

While the primary benefit of the Cusco Rear Strut Bar Type OS is enhanced chassis stiffness, users often report a noticeable improvement in handling response and steering feedback. The increased rigidity helps the vehicle maintain better alignment during aggressive cornering, resulting in more predictable and confident driving dynamics. Although it does not significantly alter engine sound, the improved chassis stability can contribute to a more composed and refined driving experience.

Installation & Fitment

The Cusco Rear Strut Bar Type OS is designed for a straightforward bolt-on installation, requiring no cutting, drilling, or modifications to your Mazda RX-7. The process typically involves removing the existing rear suspension components and attaching the strut bar using the supplied brackets and hardware. The installation can be completed with basic hand tools and takes approximately 30 minutes to an hour, depending on your experience.

• Direct bolt-on replacement for factory rear suspension mounting points
• No cutting, drilling, or tuning required
• Designed for easy installation by enthusiasts and professional installers alike

What's Included

• Cusco Rear Strut Bar Type OS with oval aluminum shaft
• Steel end plate brackets painted in Cusco blue
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

This strut bar is perfect for Mazda RX-7 owners looking to improve handling, cornering stability, and chassis rigidity. It is especially beneficial for those who participate in spirited driving, track days, or performance tuning, but also suitable for daily drivers seeking a quality upgrade to enhance vehicle responsiveness.

Emissions Note

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