SPC Adjustable Camber/Caster Upper Control Arms for 2017-2024 Audi A4 Quattro [81388]

SPC 81388 – AUDI ADJUSTABLE CAMBER/CASTER UPPER CONTROL ARM RACING KIT

Part Number: 81388

Summary: The SPC 81388 Adjustable Camber/Caster Upper Control Arm Racing Kit is designed to correct camber and caster settings on Audi vehicles by allowing adjustments of ±1.5°. Featuring xAxis™ sealed flex joints, this kit replaces the compliant OE bushings for enhanced handling and responsiveness. The factory parts often lack the adjustability needed, especially in performance applications, making this kit a critical upgrade for enthusiasts.

Features

• xAxis™ Sealed Flex Joints: Free pivoting, minimum compliance joint provides enhanced handling response to ensure maximum performance on the track.
• Forged 6061-T6 Aluminum Construction: Lightweight yet strong material provides maximized strength at minimum weight to ensure durability under racing conditions.
• Booted Ball Joints: OE style, maintenance-free, booted design provides reliable operation without regular maintenance to ensure consistent performance over time.
• Adjustable Links: Large 18mm threaded adjuster links provide ±1.5° camber and caster adjustment to ensure precise alignment tuning for performance driving.

Technical Specifications

Fitment

• Audi A4 (2017 – 2024)
• Audi A4 Quattro (2017 – 2024)
• Audi A4 allroad (2017 – 2025)
• Audi A5 (2018 – 2025)
• Audi A5 Quattro (2018 – 2025)
• Audi A5 Sportback (2018 – 2023)
• Audi RS5 (2018 – 2024)
• Note: Includes both arms for both sides of the vehicle.

What’s Included

• Includes Complete Kit
• Includes pinch bolt hardware.

Why Choose This Product?

• Alignment Solution: This kit allows for precise camber and caster adjustments, ensuring optimal tire contact and reducing uneven tire wear.
• Engineering Advantage: The proprietary xAxis™ joint technology ensures improved handling characteristics and responsiveness, making it ideal for performance applications.

Frequently Asked Questions

Why do I need adjustable control arms?
Adjustable control arms are essential for fine-tuning alignment settings on performance-oriented vehicles, particularly if factory adjustment ranges have been exceeded due to modifications or upgrades.

Is this part maintenance free?
Yes, the booted ball joints are designed to be maintenance-free, providing dependable performance without the need for regular servicing.

Will this kit increase road noise?
Yes, the xAxis™ joints replace the OE bushings that are designed to absorb noise, which may lead to increased road noise transmission into the cabin.