SPC Performance Rear Radius Left and Right Rods

2014–2017 Infiniti Q50 / 2014–2017 Infiniti Q60 / 2014–2017 Infiniti Q70 2.0L, 3.7L, 5.6L

Part #: 12021

Overview

The SPC Performance Rear Radius Left and Right Rods are high-strength steel control arms designed to replace the original rear radius rods on select Infiniti models. Engineered for enthusiasts seeking improved handling, durability, and alignment precision, these rods help restore factory geometry and support better vehicle stability during spirited driving or daily use. Whether you're upgrading your Infiniti Q50, Q60, or Q70, these control arms are an excellent choice to enhance your vehicle's rear suspension performance.

Constructed from premium steel, these rods are built to withstand the rigors of aggressive driving and harsh road conditions. They are ideal for drivers looking to improve their vehicle's responsiveness, reduce unwanted wheel misalignment, and maintain optimal suspension geometry over time. Easy to install with no modifications required, these control arms provide a direct bolt-on upgrade that restores factory performance and adds a layer of durability to your vehicle's rear suspension system.

Key Features

SPC Performance Rear Radius Rods are designed with precision and quality in mind, offering several key benefits:

• Constructed from high-strength steel to provide superior durability and resistance to bending or fatigue under demanding driving conditions.
• Stock length design ensures compatibility with factory suspension geometry, maintaining proper alignment and handling characteristics.
• Precision manufacturing with tight tolerances guarantees a perfect fit and reliable performance.
• Designed to replace bent or worn OE radius rods, restoring original suspension alignment and improving vehicle stability.
• Compatible with a range of Infiniti models, including the Q50, Q60, and Q70 from 2014 to 2017, with specific fitment for various engine configurations.
• Ideal for street driving, spirited canyon carving, or track use where suspension integrity is critical.
• Made from corrosion-resistant steel, ensuring long-lasting performance even in harsh environments.
• Includes both left and right control arms for a complete rear suspension upgrade.
• Features SPC’s renowned quality control and manufacturing standards, ensuring consistent performance and fitment.

Construction & Design

The SPC Rear Radius Rods are crafted from high-quality steel, offering a robust and reliable upgrade over OE components. The rods feature a stock length design, which helps maintain factory suspension geometry and alignment settings. Their precise manufacturing process ensures a perfect fit, reducing installation time and ensuring consistent performance. The high-strength steel construction provides excellent resistance to bending, fatigue, and corrosion, making these rods suitable for both daily driving and aggressive driving scenarios. Their durable design helps support proper wheel alignment, which is essential for optimal handling, tire wear, and vehicle stability.

Installation & Fitment

The SPC Performance Rear Radius Rods are designed as direct bolt-on replacements for the OE radius rods on compatible Infiniti models. Installation is straightforward and typically requires basic hand tools; no cutting, drilling, or specialized modifications are necessary. It is recommended to perform a wheel alignment after installation to ensure optimal suspension geometry and tire wear. The process can usually be completed within a few hours, making it an accessible upgrade for DIY enthusiasts and professional technicians alike.

• Direct bolt-on replacement for OE rear radius rods
• No cutting, drilling, or tuning required
• Requires basic hand tools and alignment post-installation

What's Included

• Left rear radius control arm
• Right rear radius control arm
• Installation hardware and instructions

Ideal For

• Infiniti owners seeking to restore or improve rear suspension alignment
• Performance enthusiasts looking for durable, high-quality suspension components
• Drivers experiencing bent or worn OE radius rods
• Anyone wanting to enhance vehicle stability and handling during spirited driving or daily use