Cusco Chro-moly D1 7-Point Roll Cage with Diagonal Bar

1989–1998 Mazda Miata / 1999–2005 Mazda Miata MX-5 Hardtop 2.0L

Part #: 404 261 FHT

Overview

The Cusco Chro-moly D1 7-Point Roll Cage with Diagonal Bar is a high-performance safety upgrade designed specifically for Mazda Miata models from 1989 to 2005. Crafted from premium chromoly steel, this roll cage offers a significant weight reduction—approximately 33% lighter than traditional steel options—making it an excellent choice for street enthusiasts who seek enhanced safety without sacrificing vehicle agility. Whether you're a spirited driver, a track day participant, or an off-road adventurer, this roll cage provides the strength and rigidity needed to protect occupants during extreme driving conditions.

Designed with both safety and performance in mind, the Cusco D1 Roll Cage features a 7-point mounting configuration that reinforces the vehicle's chassis, improving overall structural integrity. Its lightweight construction ensures minimal impact on vehicle handling while delivering maximum protection. Please note that installation may require modifications depending on your specific vehicle configuration, and some competition rules may restrict the use of chromoly roll bars.

Key Features

The Cusco Chro-moly D1 Roll Cage incorporates several advanced features to meet the demands of performance driving and street use:

• Constructed from high-strength, ultra-lightweight chromoly steel pipes with a diameter of 40mm and a wall thickness of 1.6mm, providing exceptional durability and safety.
• Approximately 33% lighter than conventional steel roll bars, reducing overall vehicle weight and improving handling dynamics.
• Designed with high-strength, ultra-lightweight connections that optimize load distribution and chassis rigidity.
• Strategically engineered to reinforce the vehicle's body structure, enhancing occupant safety during rollovers or collisions.
• Features a 7-point mounting system, including diagonal bars for increased lateral support and chassis reinforcement.
• Compatible with Mazda Miata models from 1989 to 1998 and MX-5 models from 1999 to 2005 with hardtop configurations.
• Designed for street use, offering a balance of safety, weight savings, and ease of installation.
• Note: Chromoly roll bars are not suitable for certain competitive events; always verify your event's safety regulations before installation.

Construction & Design

The Cusco D1 Roll Cage is meticulously engineered using chromoly steel, renowned for its superior strength-to-weight ratio. The 40mm diameter pipes are TIG-welded for precise, high-quality joints that ensure long-lasting durability and safety. The cage's design emphasizes a lightweight yet robust structure, with ultra-lightweight connections that minimize weight addition while maximizing strength. Its strategic placement of bars and diagonal supports enhances chassis stiffness, which can improve handling response and reduce chassis flex during spirited driving or track use. The overall design maintains factory compatibility and fits seamlessly within the vehicle's interior, providing a clean, OEM-like appearance.

Performance & Sound

While primarily focused on safety and chassis reinforcement, the Cusco Chro-moly D1 Roll Cage also contributes to improved vehicle rigidity, which can positively influence handling and driver confidence. The lightweight chromoly construction helps reduce overall vehicle weight, supporting better acceleration and braking performance. The cage's design does not significantly alter the vehicle's sound profile but ensures a solid, reassuring feel during aggressive driving. Its high-strength construction provides peace of mind during high-performance driving, track days, or spirited street use.

Installation & Fitment

The Cusco D1 Roll Cage is a bolt-in system designed for straightforward installation in Mazda Miata models from 1989 to 1998 and MX-5 models from 1999 to 2005 with hardtop. Installation typically requires removing interior panels and seats to access mounting points. Professional installation is recommended to ensure proper fitment and safety compliance. Some modifications may be necessary depending on your vehicle's specific configuration, and it is advisable to verify compatibility with your local racing or street regulations. No cutting or drilling is usually required, but confirm with your installer before proceeding.

• Bolt-on installation with factory mounting points
• Requires removal of interior panels and seats for proper fitment
• Professional installation recommended for safety and compliance

What's Included

• Complete 7-point chromoly steel roll cage with diagonal bar
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

• Street drivers seeking enhanced safety and chassis rigidity
• Track enthusiasts and amateur racers looking for a lightweight, durable roll cage
• Owners of Mazda Miata (89-98) and MX-5 (99-05) hardtop models
• Performance enthusiasts aiming to improve vehicle handling and occupant protection

Emissions Note

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