Cusco Adjustable Rear Upper Arms

1989–1994 Nissan 240SX / Silvia S13 / Skyline GT-R (R32/R33/R34) 2.4L

Part #: 223 474 LD

Overview

The Cusco Adjustable Rear Upper Arms are high-performance suspension components designed to enhance the handling and stability of your Nissan 240SX, Silvia S13, or Skyline GT-R across various model years. Crafted with precision and engineered for enthusiasts who demand more from their vehicles, these adjustable arms allow for fine-tuning of your rear suspension geometry, helping you achieve optimal alignment settings for spirited driving, track days, or competitive motorsports.

Whether you're upgrading your suspension for improved cornering, reduced body roll, or better overall responsiveness, these upper arms are an essential addition to your vehicle's suspension system. They are ideal for drivers seeking precise suspension adjustments to tailor handling characteristics to their specific driving style or track conditions. Built to withstand demanding conditions, these arms help support your vehicle's performance modifications and high-grip tires by minimizing factory bushing slop and providing more direct suspension feedback.

Key Features

Designed with performance and durability in mind, the Cusco Adjustable Rear Upper Arms offer several key features that benefit serious automotive enthusiasts:

• Constructed from high-strength steel with a durable finish to resist corrosion and ensure long-lasting performance.
• Fully adjustable design allows for precise camber and toe adjustments, enabling optimal suspension geometry for improved handling and tire wear.
• Engineered to reduce factory bushing slop, providing more direct and responsive suspension feedback during aggressive driving or racing conditions.
• Designed to work seamlessly with factory suspension components, making installation straightforward for experienced DIY enthusiasts or professional installers.
• Particularly effective when combined with other Cusco suspension upgrades or high-performance modifications, enhancing overall vehicle dynamics.
• Manufactured with high-quality welds and machining to ensure a perfect fit and reliable operation under demanding conditions.
• Suitable for motorsports applications, including drifting, time attack, and track racing, where suspension precision is critical.
• Compatible with factory mounting points, ensuring a secure and stable connection to your vehicle's chassis.

Construction & Design

The Cusco Adjustable Rear Upper Arms are crafted from high-grade steel, featuring a robust design that balances strength with weight savings. The arms are precision-machined to ensure accurate fitment and smooth adjustment mechanisms. The adjustable camber and toe settings are facilitated through high-quality threaded components, allowing you to dial in your suspension settings with confidence. The arms are finished with a corrosion-resistant coating, ensuring durability even in harsh environments or during extended track use.

Performance & Handling

By replacing the factory upper arms with Cusco's adjustable units, you gain the ability to fine-tune your rear suspension geometry for enhanced handling characteristics. These arms help reduce unwanted bushing compliance, resulting in more predictable steering response and improved cornering grip. The adjustability allows you to optimize camber angles for maximum tire contact patch during aggressive driving, leading to better grip and reduced tire wear. Overall, these components contribute to a more responsive, stable, and confident driving experience, whether on the street or the track.

Installation & Fitment

The Cusco Adjustable Rear Upper Arms are designed as direct bolt-on replacements for the factory components. Installation typically involves removing the existing upper arms and replacing them with the adjustable units, utilizing the factory mounting points. No cutting or drilling is required, and the process can usually be completed with basic hand tools and suspension knowledge. Proper alignment is recommended after installation to ensure optimal handling and tire wear.

• Easy bolt-on installation with standard hand tools
• No cutting or drilling required
• Alignment adjustment recommended for best performance

What's Included

• Pair of Cusco Adjustable Rear Upper Arms
• All necessary hardware and mounting components
• Installation instructions

Ideal For

• Performance enthusiasts seeking precise suspension tuning
• Track day and motorsport participants
• Owners upgrading their suspension for improved handling and stability
• Drivers looking to reduce factory bushing slop and enhance feedback

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 check local regulations before installation.