SPC Performance Front Upper Adjustable Control Arm

2007–2018 Jeep Wrangler / 2018 Jeep Wrangler JK

13410

Overview:

The SPC Performance Front Upper Adjustable Control Arm is engineered to enhance the strength, adjustability, and articulation of your Jeep Wrangler’s front suspension. Designed for both stock-height and lifted setups, this direct-fit control arm improves off-road capability by allowing precise caster and pinion angle adjustments without the hassle of disconnecting components. Ideal for Jeep enthusiasts seeking improved suspension performance and durability, it delivers reliable articulation and alignment control for a smoother, more controlled ride on and off the trail.

Whether you’re upgrading for larger tires, low gearing, or increased horsepower, these control arms provide the necessary strength and flexibility to handle demanding conditions while maintaining factory-like fitment and function.

Key Features:

SPC Performance’s front upper adjustable control arms incorporate advanced technology and robust construction to optimize your Jeep Wrangler’s suspension performance:

• Direct-fit design for easy installation on Jeep Wrangler models from 2007 to 2018 and Jeep Wrangler JK 2018
• Dual-threaded adjuster with jam nuts enables quick, on-vehicle caster and pinion angle adjustments without disconnecting the arms
• xAxis sealed flex joints mounted in forged rings at the frame ends provide bind-free articulation and enhanced suspension travel
• 3/16" wall DOM steel main tube offers exceptional strength to support large tires, low gearing, and high horsepower applications
• Improves suspension articulation flexibility for off-road performance and on-road stability
• Compatible with both stock-height and lifted Jeep Wrangler suspensions
• Maintains proper alignment geometry to reduce premature tire wear and improve handling
• Forged frame-end rings ensure durability and resistance to off-road stresses

Construction & Design:

Built with durability and performance in mind, the SPC Performance Front Upper Adjustable Control Arm features a main tube constructed from 3/16" wall DOM (Drawn Over Mandrel) steel, providing superior strength and rigidity compared to stock components. The forged rings at the frame ends house SPC’s proprietary xAxis sealed flex joints, which allow smooth, bind-free twisting motion between the frame and axle during suspension articulation. This design reduces stress on mounting points and enhances off-road capability by allowing the suspension to flex naturally without binding or binding-related damage.

The dual-threaded adjuster mechanism is engineered for precision and ease of use, enabling quick caster and pinion angle adjustments without the need to remove the control arms or manipulate cams and slotted holes. This thoughtful engineering simplifies alignment tuning and helps maintain optimal driveline angles for improved vehicle handling and reduced drivetrain wear.

Installation & Fitment:

The SPC Performance Front Upper Adjustable Control Arm is a direct-fit replacement for Jeep Wrangler models from 2007 through 2018, including various trims such as Rubicon, Sahara, Sport, and Unlimited variants, as well as the 2018 Jeep Wrangler JK series. Installation requires basic hand tools and moderate mechanical knowledge, with no need to disconnect the control arms for caster or pinion angle adjustments thanks to the dual-threaded adjuster design.

This control arm fits both stock-height and lifted suspension setups, making it a versatile upgrade for Jeep owners looking to improve suspension strength and articulation without extensive modifications. It is recommended to have a professional alignment performed after installation to ensure proper suspension geometry.

What's Included:

• One SPC Performance Front Upper Adjustable Control Arm
• Dual-threaded adjuster with jam nuts
• xAxis sealed flex joint assembly
• Installation hardware (where applicable)
• Instructions for installation and adjustment

Ideal For:

This control arm is ideal for Jeep Wrangler owners who demand enhanced suspension performance and durability, including:

• Off-road enthusiasts seeking improved articulation and suspension travel
• Owners upgrading to larger tires or low gearing
• Drivers requiring precise caster and pinion angle adjustments for better handling
• Those looking to strengthen their suspension for high-horsepower applications
• Jeep owners with stock or lifted suspension setups wanting a direct-fit, high-quality upgrade

Emissions Note

California Residents: Product appearance and features may vary as design changes, improvements, and modifications are implemented.

SPC Performance serves the performance and enthusiast market with a lineup of aftermarket parts that help drivers personalize and refine their builds. Whether you’re chasing sharper response, better durability, or a more purpose-built look, SPC Performance products are designed to fit into street, track, and weekend-wrenching goals. Consider SPC Performance when you want practical upgrades with a performance-first mindset.