ST Suspensions Rear Anti-Sway Bar for Audi A4 | S4 2008-2023, Heavy Duty Steel

$369.00 USD

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ST suspensions – Sway Bars. Fits Audi S4 B8/B8.5, Audi S4 B9/B9.5.

  • Made to order — subject to stock confirmation.
  • Your card is authorized now, charged only once we confirm stock (usually within 24 hours).
  • Ships from our Wisconsin warehouse. Delivery 3–7 business days.
  • Ships direct from our supplier network — delivery depends on supplier availability.
  • Not sure it fits? Ask us →

ST Suspensions Anti-Sway Bar (Part Number: 51316)

For the discerning owner of high-performance vehicles, the ST Anti-Sway Bar (Part Number: 51316) epitomizes the pinnacle of automotive engineering. Designed specifically for the Audi A4 | S4 (B8) Sedan & Wagon | 2wd & Quattro (2008+), this component is a testament to the meticulous craftsmanship that defines the ST brand. With a focus on enhancing driving dynamics, the 51316 is engineered to significantly reduce body roll, thereby optimizing traction and cornering stability.

Design & Engineering

Crafted from cold-formed, heavy-duty aircraft-grade steel, the ST Anti-Sway Bar is built to withstand the rigors of aggressive driving while maintaining structural integrity. The precision manufacturing process includes multiple quenching and tempering stages, ensuring that each bar exhibits exceptional resilience and durability. A final epoxy coating not only enhances aesthetics but also provides robust protection against extreme weather conditions and road debris, ensuring that this performance component remains pristine through the seasons.

Technical Specifications

  • Mounting Position: Rear Axle
  • Content of Delivery: Rear Kit
  • Material: Heavy-duty aircraft steel
  • Finish: Durable epoxy coating

Performance Benefits

The ST Anti-Sway Bar is engineered to reduce the differential in wheel load between the inner and outer wheels during cornering. This results in a pronounced improvement in handling characteristics, particularly during rapid load changes and aggressive cornering maneuvers. The design intent includes:

  • Enhanced steering response for a more direct connection between driver and vehicle.
  • Increased traction, allowing for more confidence in high-speed scenarios.
  • Improved balance by fine-tuning understeer and oversteer dynamics.
  • Adjustable options (where applicable) to allow for personalized tuning of lateral stability.
  • High-quality composite bushings that minimize deflection and optimize load transfer.

Fitment

The ST Anti-Sway Bar is meticulously designed to fit:

  • Audi A4 | S4 (B8) Sedan & Wagon | 2wd & Quattro (2008+)

Customer Insights

Owners have praised the 51316 for its seamless integration into their vehicles. One customer noted, Fitted to my Audi S4, the ST Anti-Sway Bar has transformed my driving experience. The reduction in body roll is palpable, and the handling feels razor-sharp, especially in tight corners. Such feedback underscores the commitment to excellence that ST Suspensions embodies.

In the realm of bespoke performance enhancements, the ST Anti-Sway Bar stands as a paragon of engineering excellence, designed for those who demand nothing short of the extraordinary in their automotive pursuits.

Proposition 65

âš WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Fitment: Audi S4 B8/B8.5 (2010-2016) 3.0T Supercharged V6; Audi S4 B9/B9.5 (2018-2024) 3.0T V6

Please confirm year, trim and engine before ordering.

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