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Rear Sway Bar

Interested in upgrading your BMW's rear sway bar? We carry a variety of rear sway bar options for your BMW. Check out our front sway bar section or front & rear if you're interested in a complete solution.

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Turner Motorsport - Corporate Logo
T#:303251
Part#: E46-R21-SWAY
In Stock
Sale - Save 18% $ 322.99

This product was last offered at the strikethrough price on
05-03-2026

$ 265.56 USD
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Sale - Save 18%
$ 322.99

This product was last offered at the strikethrough price on
05-03-2026

$ 265.56 USD
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ECS Performance Rear Sway Bar - 15mm - E9X E82/88 Non-M
10X Entries Into Our F80 M3 Sweepstakes
ECS - Corporate Logo
T#:363189
Part#: 007278ECS02A
In Stock
Sale - Save 15% $ 244.99

This product was last offered at the strikethrough price on
06-13-2026

$ 208.24 USD
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Sale - Save 15%
$ 244.99

This product was last offered at the strikethrough price on
06-13-2026

$ 208.24 USD
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Looking to improve your car's handling in the corners? ECS Tuning's rear non-adjustable sway bar is a cost-effective way to limit body roll and keep your wheels planted when entering a corner at higher speeds. Sway bars are a great way to improve handling without sacrificing ride quality or reliability! Sway bars are typically sold as a front and rear set to balance the handling. But a rear sway bar only can also have excellent benefits, especially on a street car. Going with a larger rear bar will improve steering and handling even at low-moderate speeds. ECS has specified a 15mm sway bar that has been fine-tuned for use on the E9X and E82 models. Urethane bushings with a reinforced inner core that requires no lubrication are included.
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Steel Sway Bar Bracket Upgrade Kit - E39 5-Series
10X Entries Into Our F80 M3 Sweepstakes
Offers superior strength vs the OE bracket!
Turner Motorsport - Corporate Logo
T#:1002338
Part#: 33552283159SKT
Ships in 4 Business Days
Sale - Save 11% $ 109.99

This product was last offered at the strikethrough price on
06-14-2026

$ 98.28 USD
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Sale - Save 11%
$ 109.99

This product was last offered at the strikethrough price on
06-14-2026

$ 98.28 USD
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Includes both brackets and all new installation hardware. The stock aluminum sway bar brackets in the E39 5-Series suffer from a serious design flaw that has resulted in many people experiencing snapping and misshapen brackets, a mounting tab that is simply too weak. Not only was the OE bracket not designed to handle the loads required, but the aluminum construction was also easily fatigued over time, making an already questionable bracket weaker over time. This sub-par construction eventually leads to the mounting tab breaking off, releasing all tension on the sway bar, causing sloppy handling feel and knocking noises in the rear of your BMW. Luckily for all of us, the fix is simple. By swapping the construction from aluminum to steel, while maintaining all of the original dimensions, these brackets offer 3 times the mounting strength versus the OE brackets! This ensures that no matter how many track days or spirited weekends of driving your BMW sees, you can rest easy knowing your rear sway bar is securely mounted. To top it all off, these brackets are also zinc-coated, keeping away rust and corrosion for years. Why go steel E39 brackets instead of using E38 brackets? Fitment. Although the E38 bracket is a commonly suggested upgrade, it does require a bit of modification to fit properly and usually results in a bit of bushing compression, making your sway bar difficult to install.
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Turner E46 M3 25mm Rear Sway Bar Bushing (Each)
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:390032
Part#: 53110037
Ships on Jan 11, 2027
Sale - Save 10% $ 71.99

This product was last offered at the strikethrough price on
06-13-2026

$ 64.79 USD
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Sale - Save 10%
$ 71.99

This product was last offered at the strikethrough price on
06-13-2026

$ 64.79 USD
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Replacement rear sway bar bushing for Turner E46 M3 25mm rear sway bar. This is one bushing (they are sold individually) and only fits on the Turner 25mm rear sway bar.

Steel Sway Bar Bracket - Single - E39 5-Series
10X Entries Into Our F80 M3 Sweepstakes
Offers superior strength vs the OE bracket!
Turner Motorsport - Corporate Logo
T#:1002335
Part#: 33552283159
Ships in 4 Business Days
Sale - Save 10% $ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.99 USD
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Sale - Save 10%
$ 49.99

This product was last offered at the strikethrough price on
06-14-2026

$ 44.99 USD
Free Shipping on orders $49 and up
The stock aluminum sway bar brackets in the E39 5-Series suffer from a serious design flaw that has resulted in many people experiencing snapping and misshapen brackets, a mounting tab that is simply too weak. Not only was the OE bracket not designed to handle the loads required, but the aluminum construction was also easily fatigued over time, making an already questionable bracket weaker over time. This sub-par construction eventually leads to the mounting tab breaking off, releasing all tension on the sway bar, causing sloppy handling feel and knocking noises in the rear of your BMW. Luckily for all of us, the fix is simple. By swapping the construction from aluminum to steel, while maintaining all of the original dimensions, these brackets offer 3 times the mounting strength versus the OE brackets! This ensures that no matter how many track days or spirited weekends of driving your BMW sees, you can rest easy knowing your rear sway bar is securely mounted. To top it all off, these brackets are also zinc-coated, keeping away rust and corrosion for years. Why go steel E39 brackets instead of using E38 brackets? Fitment. Although the E38 bracket is a commonly suggested upgrade, it does require a bit of modification to fit properly and usually results in a bit of bushing compression, making your sway bar difficult to install.
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SpecE46 Turner Motorsport Sway Bar Set
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:340451
Part#: SE46-SWAYBARS
In Stock
Sale - Save 3% $ 608.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 590.72 USD
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Sale - Save 3%
$ 608.99

This product was last offered at the strikethrough price on
06-13-2026

Starting at $ 590.72 USD
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We put together this special sway bar set for the SpecE46 racing class (SE46) and any other E46 that gets heavy track time. We use the 30mm M3 front bar combined with the 21mm E46 non-M rear bar. From our time racing the E46 in World Challenge, Grand-Am, and SCCA club racing we found that the E46 likes a stiffer sway bar and less spring rate. Taking the M3 front bar, which is solid, is exactly what we wanted. They are adjustable in the front (3-position) and the rear (2-position) to fine tune the handling. Bushings are included and new adjustable links are optional. These bars are crafted from a special spring steel that is both stronger and more resilient than competitive sway bars. They have been shot peened and heat treated, and feature precision forged ends.

Setup: The bars are adjustable so any driver can find an ideal setup for the type of driving they are doing. The sway bar becomes stiffer in the holes furthest from the end of the bar. The holes at the very end of the bar are the softest setting. We would generally recommend starting out with the front bar set to the stiffer setting and the rear bar positioned in the soft setting. Adjust to your liking from there. When using these in a non-SE46 setup (or other struts beside MCS) the strut housing may have to be rotated in the spindle so that the sway bar link lines up better with the sway bar tab on the strut.

Adjustable sway bar links are strongly advised to ensure that there is no pre-load on the bars. And to position the bar so that it has the correct clearance to other suspension components. Pre-load is when the bar is slightly stressed when it's on the car, from differing ride heights or from the chassis being slightly twisted. With the SE46 coil overs the adjustable links are a smart idea. If you have to force the links to fit the bar because it has tension then you have pre-load. Adjustable front or rear links can be added from the options listed below.

This item fits the following BMWs:
1999-2006 E46 BMW 323i 323ci 325i 325ci 328i 328ci 330i 330ci
2001-2006 SpecE46 BMW 330i 330ci
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Powerflex - Corporate Logo
T#:54033207
Part#: PFR5-504-17BLK
Ships in 1 Business Day
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$ 57.99 USD
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$ 57.99 USD
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Track-ready, race-engineered upgrade designed to maximize the efficiency of your BMW’s sway bar system.
ECS Billet Rear Sway Bar Brackets With Polyurethane Bushings - Pair -...
10X Entries Into Our F80 M3 Sweepstakes
For use with Aftermarket 23mm rear sway bar
ECS - Corporate Logo
T#:3443018
Part#: 016921LA09
Ships on Dec 29, 2026
Sale - Save 10% $ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 102.59 USD
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Sale - Save 10%
$ 113.99

This product was last offered at the strikethrough price on
06-14-2026

$ 102.59 USD
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The ECS Tuning Billet Rear Sway Bar Mounting Kit was designed, engineered, tested and quality inspected thanks by their Research and Development team in Wadsworth, Ohio facility. ECS ensures that the highest level of precision and quality is delivered throughout rigorous long term product testing and leading edge product development methods. This kit provides your vehicle with a more rigid mounting solution from the sway bar to chassis than the OEM steel brackets. With an improved sway bar mounting bracket and the included polyurethane sway bar bushings, you can expect to achieve an increase in rear sway bar effectiveness and less body roll as a result.
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ECS Billet Rear Sway Bar Brackets With Polyurethane Bushings - Pair -...
10X Entries Into Our F80 M3 Sweepstakes
For use with OEM 13mm rear sway bar
ECS - Corporate Logo
T#:3180514
Part#: 016921LA01
Ships on Dec 29, 2026
Sale - Save 10% $ 110.99

This product was last offered at the strikethrough price on
06-14-2026

$ 99.89 USD
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Sale - Save 10%
$ 110.99

This product was last offered at the strikethrough price on
06-14-2026

$ 99.89 USD
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The ECS Tuning Billet Rear Sway Bar Mounting Kit was designed, engineered, tested and quality inspected thanks by their Research and Development team in Wadsworth, Ohio facility. ECS ensures that the highest level of precision and quality is delivered throughout rigorous long term product testing and leading edge product development methods. This kit provides your vehicle with a more rigid mounting solution from the sway bar to chassis than the OEM steel brackets. With an improved sway bar mounting bracket and the included polyurethane sway bar bushings, you can expect to achieve an increase in rear sway bar effectiveness and less body roll as a result.
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Turner Motorsport Rear 22mm Sway Bar Upgrade Kit - F30 RWD
10X Entries Into Our F80 M3 Sweepstakes
Turner Motorsport - Corporate Logo
T#:585235
Part#: 024452TMS05
Ships on Jan 11, 2027
Sale - Save 10% $ 529.99

This product was last offered at the strikethrough price on
06-14-2026

$ 476.99 USD
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Sale - Save 10%
$ 529.99

This product was last offered at the strikethrough price on
06-14-2026

$ 476.99 USD
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Reduce under-steer and body roll
Genuine European BMW - Corporate Logo
T#:338670
Part#: TMS16594
Ships on Apr 16, 2027
$ 335.99

This product was last offered at the strikethrough price on
08-25-2026

Starting at $ 334.73 USD
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Starting at $ 334.73 USD
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For the M5 3.8 BMW offered an optional Nurburgring handling package with this 20mm rear sway bar. This is currently the biggest rear sway bar available anywhere and is a direct bolt-in replacement for the stock or aftermarket bar. This bar is complete with new rubber bushings with new brackets and links optional.

The larger bar will make the suspension stiffer than before, with less roll and less understeer. The larger rear bar will actually make the rear end rotate easier making the car more agile in tight corners. If you have stock E34 (non-sport) swaybars on now this 20mm Nring bar will be a huge difference. If you have an E34 sport suspension, E34 M5, 540i M Sport, or aftermarket cars the difference will be smaller. But since BMW installed this as part of a factory handling package it will be an improvement for track, autocross, or backroad handling.

Included in this package:
  • 33552227416 - E34 M5 3.8 Nurburgring 20mm rear swaybar
  • 33552227240 - 20mm rear swaybar bushings
  • optional 33506779734 - rear swaybar bushing brackets (not required but get rid of those rusty original ones!)
  • optional 33551135307 - rear swaybar links
    This sway bar upgrade fits the following BMWs:
    1989-1995 E34 BMW 525i 530i 535i 540i M5
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    BMW E8X E9X Replacement Bushings - Priced Each
    10X Entries Into Our F80 M3 Sweepstakes
    ECS - Corporate Logo
    T#:28570865
    Part#: 6145300102ECS
    In Stock
    Sale - Save 74% $ 25.99

    This product was last offered at the strikethrough price on
    05-03-2026

    $ 6.67 USD
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    Sale - Save 74%
    $ 25.99

    This product was last offered at the strikethrough price on
    05-03-2026

    $ 6.67 USD
    Free Shipping on orders $49 and up

    Upgrade your BMW's suspension with BMW E8X E9X Replacement Bushings.

    Engineered for durability and performance, these bushings provide improved handling and responsiveness. Specifically designed for BMW E8X and E9X models, they ensure a precise fit and reliable performance. Reduce vibrations and enhance driving comfort with these high-quality replacement bushings.

    • Improved handling and responsiveness
    • Specifically designed for BMW E8X and E9X models
    • Precise fit for reliable performance
    • Reduces vibrations for enhanced driving comfort
    • High-quality construction for durability
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    Powerflex - Corporate Logo
    T#:54317186
    Part#: PFR5-308-19H
    Ships in 1 Business Day
    New Item
    $ 57.99 USD
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    Maintaining the delicate balance between chassis stiffness and historical authenticity is critical. The Powerflex Heritage Edition Rear Sway Bar Bushing is engineered specifically for race teams and enthusiast builders looking to optimize the roll stiffness of the classic BMW E28, and E24 platforms without compromising the aesthetic integrity of a period-correct build.
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    Powerflex - Corporate Logo
    T#:54352773
    Part#: PFR5-1913-22BLK
    Ships in 1 Business Day
    New Item
    $ 65.99 USD
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    Lock down your rear suspension geometry and unlock the true handling potential of your F-Chassis BMW. Perfect for the teams and drivers who refuse to compromise on track performance.
    Powerflex - Corporate Logo
    T#:54281612
    Part#: PFF5-2003-20H
    Ships in 1 Business Day
    New Item
    $ 51.99 USD
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    Eliminate sway bar deflection on your BMW 2002. These 20mm Heritage polyurethane bushings maximize bar transition response while maintaining a discrete, factory-original dark grey appearance.

    Powerflex - Corporate Logo
    T#:54281620
    Part#: PFR5-4609-13BLK
    Ships in 1 Business Day
    New Item
    $ 79.99 USD
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    $ 79.99 USD
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    When fractions of a second matter, communication between the chassis and the driver must be flawless. PowerFlex removes the unpredictable deflection of factory bushings, giving your team a more consistent, tunable platform. For grid-competitive performance and bulletproof reliability, equip your chassis with Powerflex Black Series.
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    Powerflex - Corporate Logo
    T#:54352776
    Part#: PFR5-1913-15BLK
    Ships in 1 Business Day
    New Item
    $ 72.99 USD
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    When hundredths of a second matter, do not let OEM rubber compromise your setup. Upgrade to Powerflex Black Series for predictable, race-winning handling.
    Powerflex - Corporate Logo
    T#:54388538
    Part#: PFR5-1611H
    Ships in 1 Business Day
    New Item
    $ 77.99 USD
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    Engineered for a direct, press-fit replacement into the factory rear link assemblies

    Powerflex - Corporate Logo
    T#:54352778
    Part#: PFR5-1913-14
    Back Ordered
    New Item
    $ 57.99 USD
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    Chassis predictability and instantaneous transient response are non-negotiable. Factory rubber anti-roll bar bushings are engineered for compliance, introducing dynamic deflection, delayed roll resistance, and variable geometry under high cornering loads.
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    Powerflex - Corporate Logo
    T#:54281608
    Part#: PFR5-4609-21.5H
    Ships in 1 Business Day
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    $ 57.99 USD
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    In high-performance stage and track environments, chassis deflection is the enemy of precision. The Powerflex Heritage Collection is engineered specifically for enthusiasts and restorers who demand modern, track-level suspension dynamics without compromising the classic aesthetic of a vintage or modern-classic cockpit.
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    Powerflex - Corporate Logo
    T#:54281628
    Part#: PFR5-4609-12BLK
    Back Ordered
    New Item
    $ 79.99 USD
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    $ 79.99 USD
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    In high-performance driving and competitive motorsport, precision is everything. Stock rubber bushings flex, deflect, and degrade under load, leading to inconsistent handling, delayed chassis response, and unpredictable dynamic toe and camber changes.
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    Powerflex - Corporate Logo
    T#:54352755
    Part#: PFR5-308-12H
    Ships in 1 Business Day
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    $ 57.99 USD
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    $ 57.99 USD
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    A critical component for optimizing rear-axle roll stiffness distribution. For teams campaigning in historic touring car series, spec series, vintage endurance racing, or any enthusiast requiring an OEM appearance profile alongside repeatable, data-proven handling metrics, this component offers a definitive performance advantage.
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    Powerflex - Corporate Logo
    T#:54281616
    Part#: PFR5-4609-14BLK
    Ships in 1 Business Day
    New Item
    $ 67.99 USD
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    $ 67.99 USD
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    If you are chasing tenths on the stopwatch, compliance is the enemy. Upgrading to the Black Series 14mm rear sway bar bushings stabilizes the rear axle under aggressive trail-braking and mid-corner transitions. It's an essential, cost-effective upgrade for any dedicated track car or weekend time-attack build
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    Powerflex - Corporate Logo
    T#:54281615
    Part#: PFF5-2004BLK
    Ships in 1 Business Day
    New Item
    $ 96.99 USD
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    Lock down your vintage anti-roll bar geometry. These ultra-hard 95A durometer Black Series polyurethane bushings eliminate link rod compression, delivering maximum bar efficiency and predictable cornering balance under competitive track conditions.
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    Powerflex - Corporate Logo
    T#:54388540
    Part#: PFR5-1610-16H
    Ships in 1 Business Day
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    $ 50.99 USD
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    Engineered to eliminate this compliance without compromising the period-correct aesthetic required for historic touring car grids, vintage rallies, or concours-level builds.
    Powerflex - Corporate Logo
    T#:54388539
    Part#: PFR5-1611BLK
    Ships in 1 Business Day
    New Item
    $ 85.99 USD
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    An essential baseline upgrade for competitive historic touring cars, track-day builds, and autocross E21 platforms demanding precise chassis feedback and absolute durability under load.
    Powerflex - Corporate Logo
    T#:54139651
    Part#: PFR5-4609-22.5H
    Ships in 1 Business Day
    New Item
    $ 70.99 USD
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    $ 70.99 USD
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    Engineered for drivers who demand modern, track-ready precision without compromising the classic aesthetic of their vehicle, the PowerFlex Heritage Collection delivers ultimate chassis control.

    Powerflex - Corporate Logo
    T#:54281610
    Part#: PFF5-2003-20BLK
    Ships in 1 Business Day
    New Item
    $ 57.99 USD
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    Eliminate anti-roll bar lag. These 95A durometer Black Series bushings anchor your 20mm sway bar, delivering zero-deflection chassis stability and instant lateral weight transfer on the track.

    Powerflex - Corporate Logo
    T#:54281609
    Part#: PFF5-2003-20
    Ships in 1 Business Day
    New Item
    $ 51.99 USD
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    Maximize your 20mm sway bar's efficiency. These high-rigidity polyurethane bushings eliminate compliance inside the mounting brackets, delivering instant bar transition and stable chassis tracking under track-level cornering forces.
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