POWERFLEX USA PFR57-510-21 Rear Sway Bar 5055676506733 996 986 987

( Brand: Powerflex Usa ), ( Manufacturer Part Number: PFR57-510-21 ), ( Part Type: Bar ), ( Performance Part: Yes ), ( UPC: 055676506733 )

Review POWERFLEX USA Porsche 996 986 987 Rear Sway Bar fits BOXSTER CAYMAN 911

The PowerFlex PFR57-510-21 rear sway bar is an upgraded solution for the rear suspension system of select Porsche models, including the 996 Boxster, 986 Cayman, and 987 models. This sway bar is designed to enhance the handling and performance of your vehicle by reducing body roll and improving stability during cornering.

This sway bar is manufactured using advanced materials and construction techniques. It is made from a proprietary billet steel alloy, which provides superior strength and rigidity compared to OEM bars. The bar is also coated with a durable powder-coated finish that resists corrosion and ensures a long-lasting performance.

One of the key features of the PowerFlex PFR57-510-21 sway bar is its adjustable design. The bar comes with adjustable end links that allow you to fine-tune the stiffness of the sway bar to suit your driving style and preferences. This feature offers you the flexibility to customize the handling of your Porsche and achieve the perfect balance between comfort and performance.

Another advantage of this sway bar is its smooth and progressive rate design. Unlike OEM bars that have a linear rate, the PowerFlex bar has a progressive rate that increases as the bar deflects. This design provides better control during cornering and reduces the risk of oversteer or understeer. It also helps to improve the overall ride quality of your vehicle.

Installing the PowerFlex PFR57-510-21 sway bar is a straightforward process that can be done in your garage with some basic tools. The kit includes all necessary hardware and detailed instructions to make the installation process as easy as possible.

In summary, the PowerFlex PFR57-510-21 rear sway bar is an excellent upgrade for your Porsche 996 Boxster, 986 Cayman, or 987 model. It offers superior strength, adjustability, and progressive rate design to enhance handling, stability, and performance. With its easy installation and durable construction, this sway bar is an investment that will provide you with years of enjoyment on the road or track.

The Powerflex PFR57-510-21 rear sway bar is a popular aftermarket upgrade for Porsche 911 (996), Boxster (986), Cayman (986), and Cayman (987) models. This part is designed to enhance the handling and stability of these vehicles by reducing body roll during cornering. Here are some pros and cons that can help you decide if this upgrade is right for you.

1. Improved handling: By reducing body roll during cornering, the Powerflex sway bar can help improve the overall handling and feel of the vehicle.

2. Better response: The stiffer sway bar can help improve the responsiveness of the vehicle, making it more agile and fun to drive.

3. Customizable: Powerflex offers several different options for sway bar stiffness, allowing you to choose the right one for your driving style and preferences.

4. High-quality materials: The Powerflex sway bar is made from high-performance materials, including a proprietary rubber bushings that provide a smoother ride than stock bushings.

5. Long-lasting: The Powerflex sway bar is designed to be durable and long-lasting, making it a worthwhile investment for those who want to improve the performance of their Porsche.

1. Cost: The Powerflex sway bar is more expensive than the stock sway bar, which may be a deterrent for some buyers.

2. Installation: Installing the Powerflex sway bar can be a complex and time-consuming process, requiring the removal of various components and a good deal of mechanical expertise.

3. Noise: Some buyers have reported that the Powerflex sway bar can generate more noise than the stock sway bar, particularly during aggressive driving.

4. Different driving styles: Depending on your driving style, the stiffer sway bar may not be suitable for everyone. Some drivers may prefer a softer sway bar for a more comfortable ride.

The Powerflex PFR57-510-21 rear sway bar is an excellent aftermarket upgrade for those who want to improve the handling and responsiveness of their Porsche 911, Boxster, Cayman, or Cayman. While it comes with some cons, such as cost, installation complexity, and potential noise, the benefits, including improved handling, better response, and long-lasting durability, make it a worthwhile investment for those who value performance and driving enjoyment.

If you're considering the Powerflex PFR57-510-21 rear sway bar for your Porsche, we recommend doing thorough research and consulting with a professional mechanic to ensure that it is the right fit for your vehicle and driving style. Additionally, consider the cost, installation complexity, and potential noise before making a purchase. Ultimately, if you're looking for a way to enhance the performance and driving experience of your Porsche, the Powerflex sway bar is an excellent option.

Details:

That includes our growing line of jack pad adapters which allow you to safely and securely lift your vehicle for anything from major work a quick tire rotation.Our proprietary blended urethane's last longer than run-of-the-mill polyurethane might find elsewhere. Our premium bushings improve performance, increase tire life, and enhance safety. Stiffer bushings restore stability and performance. Rubber bushings tend to get soft and pliable over time allow the sway bar flex too much.

Why Powerflex?, Because Safety Matters Powerflex bushings are engineered for each individual application. Plus, every Powerflex part comes with a Lifetime Warranty, so you never have to worry about replacement parts again. Manufacturer: Powerflex USA, Part Number: PFR57-510-21, condition: New: Porsche 911 996, Boxster 986, Cayman 987 Rear Sway Bar Bushing - 21mm Street Stiffer sway bar bushings also commonly referred to as anti roll bushings reduce play and deflection in.

part #: pfr5751021 prices

• $61.83-$84.75

specifications geashif:

• for models: 911, Boxster, Cayman
• for makes: Porsche
• brand: Powerflex Usa
• mpn: Pfr57-510-21
• part type: Bar
• performance part: Yes
• upc: 055676506733

shipping geashif:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 4-7 Days

general geashif:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Shifters, Cables Linkages

offer geashif:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: January 3, 2026

payments geashif:

• credit card: Mastercard
• wallet: Paypal
• other

returns geashif:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller geashif:

• # reviews: 117970
• rating: 99.8%
• city: San Leandro, California

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