SPC Performance Adjustable Upper Control Arm

2018–2024 Jeep Wrangler / 2018 Jeep Wrangler JK / 2020–2024 Jeep Gladiator

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Overview:

The SPC Performance Adjustable Upper Control Arm is a direct-fit upgrade designed specifically for the front left side of Jeep Wrangler (2018–2024), Wrangler JK (2018), and Gladiator (2020–2024) models. This control arm enhances the strength and durability of your suspension while providing on-vehicle adjustability for precise alignment tuning. Ideal for stock-height lifted suspensions, it improves articulation flexibility and allows quick caster and pinion angle adjustments without the need to disconnect the arm or manipulate cams and slotted holes.

Built for Jeep enthusiasts seeking improved suspension performance and ease of maintenance, this control arm delivers a hassle-free upgrade that maintains factory ride quality while enhancing off-road capability and alignment precision.

Key Features:

Engineered to offer superior adjustability and durability, the SPC Performance Adjustable Upper Control Arm includes the following key features:

• Direct-fit design for front left upper control arm on Jeep Wrangler (2018–2024), Wrangler JK (2018), and Gladiator (2020–2024)
• Dual-threaded adjuster with jam nuts enables quick and accurate caster and pinion angle adjustments up to +2 degrees
• Maintenance-free, self-lubricated xAxis sealed flex joint bushings improve articulation and reduce noise
• Corrosion-resistant coating protects against harsh environmental elements for long-lasting durability
• Adjustments can be made on the vehicle without removing the control arm, saving time and effort
• Increased strength over stock components to handle lifted suspension demands
• Limited lifetime warranty for peace of mind

Construction & Design:

SPC Performance crafted this adjustable upper control arm using high-quality materials and advanced engineering to withstand the rigors of off-road driving and lifted suspension setups. The arm features a robust construction with a corrosion-resistant finish to ensure longevity in all weather conditions. The innovative xAxis sealed flex joint bushing is self-lubricating and sealed, eliminating the need for regular maintenance while providing enhanced articulation and smoother suspension movement.

The dual-threaded adjuster design allows for precise alignment tuning without the complexity of traditional cam or slotted hole adjustments, simplifying installation and adjustment processes.

Installation & Fitment:

This control arm is a direct bolt-on replacement for the front left upper control arm on compatible Jeep models, requiring no modifications for installation. The design allows caster and pinion angle adjustments to be made easily on the vehicle without disconnecting the arm, making alignment tuning straightforward and efficient. It is engineered to fit stock-height lifted suspensions, ensuring compatibility with common Jeep lift setups.

What's Included:

• SPC Performance Adjustable Upper Control Arm (Front Left)
• Dual-threaded adjuster with jam nuts
• Installation hardware as required
• Limited lifetime warranty documentation

Ideal For:

This adjustable upper control arm is perfect for Jeep owners who have lifted their Wrangler or Gladiator and want to improve suspension strength, articulation, and alignment adjustability. It is especially suited for off-road enthusiasts seeking enhanced control over caster and pinion angles without the hassle of removing components during adjustments. Maintenance-conscious drivers will appreciate the sealed, self-lubricating xAxis joints that reduce upkeep and extend service life.

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.