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Vivid Racing Gear 
Cusco Anti-Sway Bar 6A9 311 B21
If you're looking to improve your vehicle's handling and stability, the Cusco Anti-Sway Bar 6A9 311 B21 is an excellent choice. Designed specifically for the 2022-2024 Subaru WRX (2nd Gen - VB), this high-performance suspension upgrade replaces the factory anti-sway bar to offer a noticeable enhancement in cornering capabilities.
Key Features
- Increased Diameter: With a solid 21mm outer diameter, this anti-sway bar is 33% thicker than the standard factory option, which measures 19mm. This increase in size translates to improved stiffness and performance.
- Durable Construction: Made from high-strength steel, the Cusco bar provides superior resistance against torsion, ensuring that your vehicle remains stable during sharp turns and aggressive driving.
- Easy Installation: The Cusco anti-sway bar utilizes factory mounting locations, making installation straightforward and hassle-free.
- Includes Bushings: This product comes with bushings to enhance performance and ensure a snug fit.
Benefits of Upgrading to Cusco
Upgrading to the Cusco anti-sway bar means significantly reducing body roll compared to factory components. This is particularly beneficial for sporty driving or navigating tight corners, as it keeps your tires firmly planted on the road, allowing for better traction and control. The enhanced stiffness helps manage weight transfer effectively, which is crucial for maintaining balance during dynamic driving conditions.
Specifications
- Part Number: 6A9 311 B21
- Diameter: 21mm (OD)
- Compatibility: Subaru WRX (2nd Gen - VB) 2022-2024
Customer Feedback
Many customers have reported significant improvements in their driving experience after installing the Cusco anti-sway bar. One user noted, "The difference in handling is incredible! My WRX feels much more stable during hard cornering, and I can take turns with confidence." Another customer mentioned, "Installation was a breeze, and the added stiffness really helps with body roll. I highly recommend this upgrade for anyone looking to enhance their WRX's performance."
Conclusion
The Cusco Anti-Sway Bar 6A9 311 B21 is a reliable and effective upgrade for your Subaru WRX. With its sturdy construction and thoughtful design, you can expect enhanced stability and control on the road. Whether you're a daily driver or a weekend warrior, this anti-sway bar is sure to take your driving experience to the next level.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Cusco is an independent aftermarket company in Japan specializing in manufacturing high-performance parts such as drivetrain components, suspension, chassis bars, including strut towers, engine parts, roll cages, and more.
They are widely known in the automotive industry and have participated in various race series within and outside Japan.
Today, they have become the go-to brand of aftermarket tuners all around the globe.
Racing BackgroundCusco has created many racing vehicles for different racing disciplines, such as rallying, track racing, autocross, time attack events, and gymkhana.
With a history of producing the best race cars in its class, they have used that knowledge and have translated it to all their products creating the best performing and safest parts out there.
Improves Driving ExperienceCusco's goal is to improve each car's potential to provide the driver with the best experience possible. It helps the car provide better feedback to the driver, which helps the driver create better judgment and confidence to trust their vehicle.
Inhouse Manufacturing ProcessCusco maintains its high-quality standard by doing their parts inhouse. From design to manufacturing, they have created a dedicated facility that would help them ensure that it passes their strict requirements, providing the clients with the best products they deserve. The company is also ISO 9001 certified, meaning all of its processes have passed the standard requirement of the regulatory commission.
Struts and Roll cagesCusco has been very popular when it comes to chassis stiffeners and roll cages. They create one of the best roll cages that comply with the racing body's standards. Their design helps improve chassis stiffness and rigidity, making it handle better and helps protect the driver in case of an accident. It is intended to save dozens of lives on the race track and in the streets.
Purchase Cusco Parts at Vivid RacingCusco has been supplying parts for almost a decade among thousands of enthusiasts worldwide. With its track record of providing parts that outperform the competition, they are a brand that anyone can count on. Visit Vivid Racing and check out the list of Cusco products specific to your needs.
| Sale price | None |
| Wholesale price | $256.18 |
| Shipping |
Weight: 15.00 Length: 7 Width: 7 Height: 47 |
| Product Added At | Friday 04 August, 2023 |
| Product Modified At | Wednesday 28 May, 2025 |
| Imported By | ETLOverride |
| Last Edited By | kathi@vividracing.com |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Unknown |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| CUSCO USA INC | $217.10 | $334.00 | ? | $300.60 | ? | 2025-05-28 14:50:52 |
