Cusco Strut Brace Type-AS Rear

1984–1989 Nissan 300ZX (Z31) Rear

Part #: 248 511 A

Overview

The Cusco Strut Brace Type-AS Rear is a high-quality suspension upgrade designed specifically for the Nissan 300ZX (Z31) model years 1984 through 1989. Crafted with performance enthusiasts in mind, this rear strut brace enhances chassis rigidity, reduces flex during spirited driving, and improves overall handling response. Whether you're a daily driver looking for increased stability or a performance enthusiast seeking better cornering capabilities, this strut brace offers a straightforward upgrade that makes a noticeable difference in your vehicle's dynamics.

Constructed with lightweight yet durable materials, the Cusco Type-AS rear strut brace is engineered to support your vehicle's suspension system, helping to maintain proper alignment and improve steering precision. Its bolt-on installation process ensures a hassle-free upgrade that can be completed with basic tools, making it accessible for both seasoned mechanics and DIY enthusiasts.

Key Features

The Cusco Strut Brace Type-AS Rear incorporates several innovative features that set it apart from standard suspension components:

• Lightweight Aluminum Shaft: The main bar is made from hollow aluminum, providing a perfect balance of strength and weight savings. This design helps reduce unsprung mass, contributing to improved handling and responsiveness.
• Steel End Plate Brackets: The end plates are crafted from steel and painted in Cusco's signature blue, ensuring durability and corrosion resistance. These brackets are precisely engineered to fit the Z31 chassis perfectly, guaranteeing flawless fitment and secure attachment.
• Simple Bolt-On Installation: Designed for both front and rear upper strut locations, the installation process is straightforward and requires no modifications or drilling. This makes it an ideal upgrade for enthusiasts seeking quick, reliable performance enhancements.
• Enhanced Chassis Rigidity: By connecting the upper strut towers, the brace reduces flex and chassis deformation during aggressive cornering, leading to more predictable handling and improved steering feel.
• Vehicle-Specific Fitment: The brackets are tailored to the Nissan 300ZX (Z31), ensuring a perfect fit that complements the vehicle's original suspension geometry.

Construction & Design

The Cusco Type-AS Rear Strut Brace features a meticulously designed construction that emphasizes both strength and weight reduction. The main shaft is made from hollow aluminum, which offers excellent rigidity without adding unnecessary weight to the vehicle. The steel end plates are precision-painted in Cusco's trademark blue, providing both aesthetic appeal and corrosion resistance. The combination of materials ensures longevity and reliable performance under demanding driving conditions.

The design emphasizes ease of installation, with brackets that bolt directly onto existing mounting points. The use of high-quality materials and precise engineering ensures a secure fit that maintains alignment and enhances chassis stiffness. This upgrade not only improves handling but also contributes to a more confident driving experience, especially during high-speed cornering or spirited driving sessions.

Performance & Sound

While the Cusco Strut Brace Type-AS Rear does not produce a noticeable sound change, its impact on vehicle handling is significant. By increasing chassis rigidity, it helps deliver more precise steering feedback and reduces body roll, especially during aggressive maneuvers. The improved structural integrity supports better suspension performance, which can translate into more confident cornering and improved overall stability.

Installation & Fitment

The Cusco Rear Strut Brace Type-AS is designed for a straightforward bolt-on installation. It attaches directly to the upper strut towers at the rear of the Nissan 300ZX (Z31), requiring no cutting, drilling, or modifications. The process typically involves removing the existing bolts from the strut towers and securing the brace with the provided hardware. No tuning or alignment adjustments are necessary, making this an easy upgrade for enthusiasts and professionals alike.

• Simple bolt-on installation with basic hand tools
• No cutting, drilling, or vehicle modifications required
• Designed specifically for the Nissan 300ZX (Z31) from 1984 to 1989

What's Included

• Hollow aluminum rear strut bar
• Steel end plate brackets painted in Cusco blue
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

This Cusco Strut Brace Type-AS Rear is perfect for Nissan 300ZX owners who want to improve handling, chassis stiffness, and driving confidence. It is suitable for street enthusiasts, autocrossers, and track day participants seeking a reliable upgrade that enhances vehicle responsiveness without sacrificing comfort or drivability.

Emissions Note

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