SPC Performance Rear Lower Left & Right Control Arms

2011–2017 Infiniti Q50 / Q70 / M37 Rear Lower Control Arms

Part #: 12020

Overview

The SPC Performance Rear Lower Control Arms are designed to replace worn or bent factory control arms on select Infiniti models, including the Infiniti M37, Q50, and Q70 from 2011 through 2017. Crafted from high-strength steel, these control arms provide a durable and reliable solution for restoring proper suspension geometry and handling. Whether you're restoring your vehicle's ride quality or preparing for spirited driving, these control arms are an excellent upgrade for enthusiasts seeking improved stability and confidence behind the wheel.

Engineered for performance and longevity, SPC's rear lateral control arms help maintain proper wheel alignment and reduce unwanted suspension movement. They are ideal for daily drivers, street enthusiasts, and those involved in track days or spirited driving who demand consistent handling and durability from their suspension components. With these control arms, you'll experience a more responsive feel and enhanced control, especially when combined with other suspension upgrades.

Key Features

SPC Performance's Rear Lateral Control Arms feature several key design elements that set them apart:

• Constructed from high-strength steel to withstand the rigors of aggressive driving and harsh road conditions, ensuring long-lasting performance.
• Stock length design maintains factory suspension geometry, helping to preserve proper alignment angles and tire wear.
• Precision manufacturing with CNC-machined ball joint mounting points for a perfect fit and smooth operation.
• Designed as direct replacements for OE control arms, making installation straightforward without the need for additional modifications.
• Enhanced durability and strength compared to OE components, reducing the risk of bending or failure under demanding conditions.
• Compatible with various Infiniti models, including the 2011-2013 Infiniti M37 and the 2014-2017 Infiniti Q50 and Q70, providing versatile fitment options.
• Ideal for restoring suspension integrity after damage or wear, or as part of a suspension upgrade for improved handling.

Construction & Design

The SPC Performance Rear Lower Control Arms are built from high-quality steel, ensuring strength and resistance to corrosion. The arms feature a stock length design, which helps maintain factory suspension geometry, crucial for proper alignment and tire wear. The arms are CNC-machined for precise fitment, with durable ball joint mounting points that facilitate smooth movement and long-term reliability. The design emphasizes ease of installation, allowing for a direct bolt-on replacement that restores your vehicle's suspension performance without the need for complex modifications.

Performance & Handling

By replacing worn or damaged factory control arms with SPC's high-strength units, you can expect improved suspension stability and handling response. The robust construction minimizes flex and unwanted suspension movement, providing a more confident driving experience. While these control arms do not increase horsepower, they significantly enhance the vehicle's ability to maintain proper alignment and tire contact with the road, especially during spirited driving or cornering. For those seeking camber adjustment, SPC offers an adjustable link (part number 72245) to fine-tune alignment settings to your preference.

Installation & Fitment

The SPC Performance Rear Lower Control Arms are designed as direct replacements for the OE components, making installation straightforward for those with basic mechanical skills. No cutting, drilling, or complex modifications are required. The arms bolt directly into the factory mounting points, ensuring a secure and precise fit. It is recommended to perform a wheel alignment after installation to optimize handling and tire wear. The process typically involves removing the wheels, unbolting the existing control arms, and installing the SPC units in their place.

• Direct bolt-on replacement for OE control arms
• No cutting or drilling required
• Suitable for street, track, and off-road use
• Installation typically takes 1-2 hours

What's Included

• Left and right rear lower control arms
• All necessary hardware and mounting components
• Installation instructions (if provided)

Ideal For

• Owners restoring or upgrading their Infiniti M37, Q50, or Q70
• Enthusiasts seeking improved suspension durability and handling
• Drivers looking to correct suspension geometry after damage or wear
• Performance-minded individuals aiming for better steering response and stability