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Anti Roll Sway Bar

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DISPLAYING 1 to 15 (of 15 products)
SUSPENSION996C214
Product Information
Product Information
Optimum fast road and track handling kit, enhanced tracking stabilisation and excellent damping force, a collection from the top suspension brands

Kit includes:
H&R Anti roll bars
H&R Lowering springs 30mm
Performance engine mounts

Fits:
Coupe
Porsche 996 3.4L Carrera / 3.6L Carrera

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION996C214
33510-1
3609309625

The product you are viewing cross references to these numbers
SUSPENSION996C24
Product Information
Product Information
Optimum fast road and track handling kit, enhanced tracking stabilisation and excellent damping force, a collection from the top suspension brands

Kit includes:
H&R Anti roll bars
H&R Lowering springs 30mm
Performance engine mounts

Fits:
Porsche 996 3.4L Carrera / 3.6L Carrera
Targa / Cabrio

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION996C24
33510-1
3609309625

The product you are viewing cross references to these numbers
SUSPENSION996C21
Product Information
Product Information
Optimum fast road and track handling kit, enhanced tracking stabilisation and excellent damping force, a collection from the top suspension brands

Kit includes:
Bilstein B8 sprint shocks absorbers
H&R Anti roll bars
H&R Lowering springs 30mm
Performance engine mounts

Fits:
Coupe
Porsche 996 3.4L Carrera / 3.6L Carrera

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION996C21
22-046130
24-029940
33510-1
3609309625

The product you are viewing cross references to these numbers
SUSPENSION996C22
Product Information
Product Information
Optimum fast road and track handling kit, enhanced tracking stabilisation and excellent damping force, a collection from the top suspension brands

Kit includes:
Bilstein B8 sprint shocks absorbers
H&R Anti roll bars
H&R Lowering springs 30mm
Performance engine mounts

Fits:
Targa / Cabrio
Porsche 996 3.4L Carrera / 3.6L Carrera

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION996C22
22-046130
24-029940
33510-1
3609309625

The product you are viewing cross references to these numbers
Special Offer
PFR57-510-20BLK
Product Information
Product Information
Powerflex Black series Anti Roll Bar Bush Rear
Sold as a pair


Size: 20mm

OEM Part Number: 99633379225

powerflexblk

Fits:
Please choose by size
Porsche 997 inc. Turbo
Porsche 996 1997-2005
Porsche 986 Boxster 1997-2004
Porsche 987 Boxster 2005-2012
Porsche 987C Cayman 2005-2012

Click 'Zoom in' for large parts diagram.
Diagram ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFR57-510-20BLK
PFR57-510-20BLK
99633379225

The product you are viewing cross references to these numbers
Special Offer
PFF57-501-23.5::4
Product Information
Product Information
Front anti roll bar bush 23.5mm.

Sold as a pair 

OEM Part Number: 99634379212

Note: Please check anti roll bar diameter before ordering.

powerflex

Fits:
Porsche 986 Boxster 2.5L 1997-99 *M030 FRONT
Porsche 986 Boxster 2.7L 2000>> *M030 FRONT
Porsche 986 Boxster S 3.2L 2000>> **I029 FRONT

Porsche 987 Boxster 2.7L 2005-08 TIPTRONIC **I029 FRONT

Porsche 996 Carrera 1998-05 C2 COUPE TIPTRONIC FRONT
Porsche 996 Carrera 1998-05 C2 COUPE *M030 FRONT
Porsche 996 Carrera 1998-05 CABRIO FRONT
Porsche 996 Carrera 1998-05 TARGA MANUAL FRONT
Porsche 996 Carrera 1998-05 C4 *M030 FRONT
Porsche 996 Carrera 2001-05 C4S FRONT
Porsche 996 Turbo 2001-05 Standard Chassis FRONT

Porsche 997 MKI Carrera 2005-08 C2 MANUAL **I029 FRONT
Porsche 997 MKI Carrera 2005-08 C4 WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 C4S WITH PASM FRONT
Porsche 997 MKI Carrera 2005-08 TARGA WITH PASM FRONT
Porsche 997 MKI Turbo 2008-09 FRONT

* M030 - Cars with Sport-type chassis
** I029 - Cars with Standard chassis


Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-23.5
PFF57-501-23.5
99634379212

The product you are viewing cross references to these numbers
Special Offer
33510-1
Product Information
Product Information
H&R Sway Bars are the perfect compliment to H&R Springs, Coil Overs, Performance Shocks and Cup Kits.

Front & Rear Anti Roll Bar:
- Front - 26mm (not adjustable)
- Rear - 23mm (adjustable in 3 places)

Fits:
Porsche 996 Carrera 2 1997>>

Designed to reduce body roll, increase lateral stiffness and improve handling. All H&R Sway Bar kits have been shot peened and heat treated, and feature precision forged ends - many applications have multiple end link mounting points for adjustability. Also included are H&R exclusive bushings made from a Urethane / Teflon composite that eliminates squeaks, and don't require lubrication. Ever. That means no mess, no maintenance-just bolt in H&R Sway Bars and go!
H&R Sway Bars are 100% made in Germany, and are powder coated for long lasting good looks and durability on the street and track.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

33510-1
99633370112
99633370125

The product you are viewing cross references to these numbers
PFC
Product Information
Product Information
Lateral support clamp anti roll bar. 

powerflex

Anti-Roll Bars (ARB’s) play an important role in a vehicle’s suspension system, helping to reduce body roll by transferring cornering load from one side of a vehicle to the other.

Often mounted to the vehicle’s chassis with rubber bushes, these bushes ensure the bar works as intended. To prevent the anti-roll bar from moving laterally within its mounts when turning, OE manufacturers will either bond the bushes to the bar, add dead-stops to the bar itself, or rely solely on the clamping pressure of the rubber.

But what happens when those bushes wear and need to be replaced? Often anti-roll bars with bonded bushes come as a costly complete assembly, so the alternative is to fit a more cost-effective unbonded polyurethane replacement, like the many we offer.

In most cases, friction from the bush will prevent any side-to-side bar movement. Still, when turning aggressively or cornering at higher speeds, a laterally shifting anti-roll bar decreases the efficiency and effectiveness of the bar, changing the dynamics of your suspension system in unpredictable ways. It also poses the risk of the bar fouling on other areas of the vehicle or suspension system.


Special Offer
PFF57-501-25
Product Information
Product Information
Stabilizer Bar Bush Front.

powerflex

OEM Part Number: 997 343 701 08 PASM Bar

OEM Part Number: 996 343 792 17 Bush

Size: 25mm

Fits:
Porsche 986 Boxster S 3.2L 2000>> Cars with Sport-type chassis
Porsche 987.1 Boxster 2005-08 Cars with standard chassis and Manual Transmission
Porsche 987.1 Boxster / S 2005-08 Cars with PASM (electronic damper control)
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 996 TARGA 2002>> Cars with Sport-type Chassis (M030) and Tiptronic Transmission (M249)
Porsche 997.1 C2 CABRIO / COUPE 2005-08 Cars with Standard Chassis (I029) and 6-speed manual transmission (I480)
Porsche 997.1 C2S COUPE 2005-08 Cars with Sport-type Chassis (I030)
Porsche 997.1 C2/C2S COUPE / CABRIO 2005-08 Cars with PASM (electronic damper control) (I475)
Porsche 997.2 C2 COUPE / CABRIO 2009-12 Cars with Standard Chassis (I029) and PDK Transmission (I250)
Porsche 997.2 C2/C2S COUPE 2009-12 Cars with Sport-Type Chassis (I030)
Porsche 997.2 C2/C2S COUPE/CABRIO 2009-12 Cars with PASM (electronic damper control) (I475)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-25
99634379217

The product you are viewing cross references to these numbers
Special Offer
PFF57-501-25BLK
Product Information
Product Information
Powerflex Black Series Stabilizer Bar Bush Front.

powerflexblk

OEM Part Number: 997 343 701 08 PASM Bar

OEM Part Number: 996 343 792 17 Bush

Size: 25mm

Fits:
Porsche 986 Boxster S 3.2L 2000>> Cars with Sport-type chassis
Porsche 987.1 Boxster 2005-08 Cars with standard chassis and Manual Transmission
Porsche 987.1 Boxster / S 2005-08 Cars with PASM (electronic damper control)
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 996 TARGA 2002>> Cars with Sport-type Chassis (M030) and Tiptronic Transmission (M249)
Porsche 997.1 C2 CABRIO / COUPE 2005-08 Cars with Standard Chassis (I029) and 6-speed manual transmission (I480)
Porsche 997.1 C2S COUPE 2005-08 Cars with Sport-type Chassis (I030)
Porsche 997.1 C2/C2S COUPE / CABRIO 2005-08 Cars with PASM (electronic damper control) (I475)
Porsche 997.2 C2 COUPE / CABRIO 2009-12 Cars with Standard Chassis (I029) and PDK Transmission (I250)
Porsche 997.2 C2/C2S COUPE 2009-12 Cars with Sport-Type Chassis (I030)
Porsche 997.2 C2/C2S COUPE/CABRIO 2009-12 Cars with PASM (electronic damper control) (I475)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFF57-501-25BLK
99634379217

The product you are viewing cross references to these numbers
Special Offer
SPF3721-
Product Information
Product Information
SuperPro Stabilizer Bar Bush. FRONT
Set of 2.

superpro

Fits:
Porsche 996 1997-2005
Porsche 997 2004>>
Porsche 986 Boxster 1997-04

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components

Diagram Ref No 2. fits inside Ref No. 3
Special Offer
PFR57-510-21BLK
Product Information
Product Information
Powerflex Black series Stabilizer Bar Bush Rear
Sold as a pair

Size: 21mm

OEM Part Number: 99633379226

powerflexblk

Fits:
Porsche 996 C2/C4/C4S - Please choose by size
Porsche 996 GT2
Porsche 997 C2/C2S/C4/C4S MKI - Please choose by size

Click 'Zoom in' for large parts diagram.
Diagram ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFR57-510-21BLK
PFR57-510-21BLK
99633379226

The product you are viewing cross references to these numbers
PFR57-510-22BLK
Product Information
Product Information
Powerflex Black series Stabilizer Bar Bush Rear
Sold as a pair

Size: 22mm - For Motorsport Use

powerflexblk

Fits:
Porsche 996 C2/C4/C4S - Please choose by size
Porsche 996 GT2

Click 'Zoom in' for large parts diagram.
Diagram ref No 2.

Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFR57-510-22BLK
99633379226

The product you are viewing cross references to these numbers
Special Offer
PFR57-510-22
Product Information
Product Information
Powerflex Black series Stabilizer Bar Bush Rear
Sold as a pair

Size: 22mm - Road Series

powerflex

Fits:
Porsche 996 C2/C4/C4S - Please choose by size
Porsche 996 GT2

Click 'Zoom in' for large parts diagram.
Diagram ref No 2.

Powerflex. Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PFR57-510-22
99633379226

The product you are viewing cross references to these numbers
Special Offer
SPF3722-
Product Information
Product Information
SuperPro Stabilizer Bar Bush. REAR.
Set of 2.

superpro

Fits:
Porsche 996 1997-2005
Porsche 997 2004>>
Porsche 986 Boxster 1997-04

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components

Diagram Ref No 2. fits inside Ref No. 3

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

SPF3722-
99633379224
99633379226

The product you are viewing cross references to these numbers
DISPLAYING 1 to 15 (of 15 products)
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About Anti Roll Sway Bar

Anti Roll Bars / Sway Bars – Improved Handling and Body Control

Anti roll bars, also known as sway bars, are suspension upgrade components designed to reduce body roll during cornering and improve overall vehicle stability. By linking the left and right sides of the suspension, anti roll bars resist excessive chassis movement, helping the car stay flatter through corners and delivering sharper, more predictable handling.

At Design911, our range of anti roll bars includes high-quality OE replacement and performance upgrade options from trusted suspension brands. Whether you’re refreshing worn factory components or upgrading for fast-road and track use, anti roll bars are one of the most effective ways to enhance handling without compromising ride comfort.

What Do Anti Roll Bars / Sway Bars Do?

Anti roll bars are torsion bars mounted across the suspension axle that control lateral body movement when cornering. Their main functions include:

  • Reducing body roll during turns
  • Improving cornering balance and grip
  • Enhancing steering response and driver confidence
  • Distributing load more evenly across the suspension

By limiting excessive chassis lean, sway bars allow tyres to maintain better contact with the road, improving traction and control.

Why Upgrade Your Anti Roll Bars?

Upgrading anti roll bars is a popular suspension modification because it offers:

  • Noticeable handling improvements with minimal impact on ride comfort
  • Better control during spirited driving or track use
  • Improved balance between front and rear suspension
  • Reduced understeer or oversteer when correctly matched

Performance anti roll bars are often adjustable, allowing fine-tuning of suspension balance to suit driving style, tyre choice and road conditions.

When Should You Replace or Upgrade Anti Roll Bars?

Anti roll bars should be replaced or upgraded when:

  • Factory suspension feels soft or unstable during cornering
  • Rubber bushes or mounting hardware are worn or damaged
  • Upgrading other suspension components such as springs or dampers
  • Preparing a vehicle for fast-road, track day or performance use

Replacing tired components or upgrading to performance sway bars restores precise handling and improves overall driving enjoyment.

At Design911, we supply anti roll bars and suspension upgrades that meet professional workshop standards and enthusiast expectations.

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