Description

AUTHENTIC REAR SUSPENSION COMPONENT FOR YOUR LEGENDARY R34 GT-R’S MULTI-LINK SYSTEM.

The EXT COMPL, RH 54590-RHR40 is a precision-engineered right knuckle arm extension assembly from NISMO. It is designed as a direct replacement for the original Nissan genuine part (54590-AA425).

This essential rear suspension component attaches to the knuckle on your BNR34 Skyline GT-R (from January 1999 onward). It provides the mounting point for suspension links and maintains proper rear wheel geometry for authentic handling characteristics.

Product Highlights

🔧 ESSENTIAL REAR SUSPENSION COMPONENT
Manufactured as a faithful reproduction of the original Nissan right knuckle arm extension, this ensures proper fitment and function for your BNR34 Skyline GT-R’s sophisticated rear suspension. This component extends from the knuckle to provide mounting points for multiple suspension links. As a result, it controls wheel motion and maintains alignment.

🏁 BNR34 SKYLINE GT-R COMPATIBILITY
Specifically designed for the legendary R34 GT-R chassis, this right knuckle arm extension assembly is an essential component. It helps maintain the authenticity and proper operation of your GT-R’s advanced multi-link rear suspension.

• Compatible Model: Nissan Skyline GT-R (BNR34) from January 1999 onward

• Position: Right Rear Knuckle Arm Extension

• Application: Rear Multi-Link Suspension System

⚙️ PRECISE REAR SUSPENSION GEOMETRY
This extension assembly provides:

• Correct geometry for proper suspension link mounting points

• Precise positioning of suspension pickup points

• Durable construction to withstand cornering and acceleration forces

• Proper alignment with knuckle and other suspension components

• OEM-spec materials for long-term reliability

🔰 NISMO GENUINE REPRODUCTION QUALITY
Manufactured as part of NISMO’s genuine reproduction parts program, ensuring the same quality, durability, and reliability expected from Nissan’s official performance brand. The extension assembly is manufactured to OEM specifications with correct materials, dimensions, and mounting configurations for long-term reliability.

Technical Specifications & Application

This is a genuine reproduction right knuckle arm extension assembly for BNR34 Skyline GT-R models.

Key Details

• Product Name: EXT COMPL, RH (Right Knuckle Arm Extension Assembly)

• NISMO Part Number: 54590-RHR40

• OEM Reference: (54590-AA425) – For reference only, not orderable

• Compatible Models: Nissan Skyline GT-R (BNR34) from January 1999 onward

• Position: Right Rear

• Quantity per Vehicle: 1 (right side)

• Product Code: Q

• Production Information: General production parts

• Product Classification: Genuine reproduction

• Warranty: 20,000km per year