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Porsche > Cayman 987C / 981C (2005-2016) > Suspension Upgrades >

Anti Roll Sway Bar

Anti Roll Sway Bar

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DISPLAYING 1 to 13 (of 13 products)
Road & track spring and anti roll bar handling kit Porsche 987 Boxster and Cayman - 29168, 33180, 3609309627
1
Road & track spring and anti roll bar handling kit Porsche 987 Boxster and Cayman
SUSPENSION9872
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 35mm
Performance gearbox mounts

Fits:
Porsche 987 Boxster 2.7 & 2.9Ltr
Porsche 987 Boxster S 3.2 & 3.4Ltr
Porsche 987 Cayman 2.7 & 2.9Ltr
Porsche 987 Cayman S 3.2 & 3.4Ltr

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Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION9872
29168
33180
3609309627

The product you are viewing cross references to these numbers
Road & track spring and anti roll bar handling kit Porsche 987 Boxster and Cayman with PASM - 29168, 33180, 3609309627, 35-348177
2
Road & track spring and anti roll bar handling kit Porsche 987 Boxster and Cayman with PASM
SUSPENSION9872::1
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 35mm
Performance gearbox mounts

ONLY FOR CARS WITH PASM

Fits:
Porsche 987 Boxster 2.7 & 2.9Ltr
Porsche 987 Boxster S 3.2 & 3.4Ltr
Porsche 987 Cayman 2.7 & 2.9Ltr
Porsche 987 Cayman S 3.2 & 3.4Ltr

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Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION9872
29168
33180
3609309627
35-348177

The product you are viewing cross references to these numbers
Road & track suspension handling kit Porsche 987 Boxster and Cayman - 35-122203, 35-122210, 29168, 33180, 3609309627
1
Road & track suspension handling kit Porsche 987 Boxster and Cayman
SUSPENSION987
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 35mm
Performance gearbox mounts

Fits:
Porsche 987 Boxster 2.7 & 2.9Ltr
Porsche 987 Boxster S 3.2 & 3.4Ltr
Porsche 987 Cayman 2.7 & 2.9Ltr
Porsche 987 Cayman S 3.2 & 3.4Ltr

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Related, superseded, cross reference or alternative numbers for comparison.

SUSPENSION987
35-122203
35-122210
29168
33180
3609309627

The product you are viewing cross references to these numbers
Road & track suspension handling kit Porsche 987 Boxster and Cayman with PASM - 35-122135, 35-122142, 29168, 33180, 3609309627, 35-348177
2
Road & track suspension handling kit Porsche 987 Boxster and Cayman with PASM
SUSPENSION9871
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 35mm
Performance gearbox mounts

ONLY FOR CARS WITH PASM

Fits:
Porsche 987 Boxster 2.7 & 2.9Ltr
Porsche 987 Boxster S 3.2 & 3.4Ltr
Porsche 987 Cayman 2.7 & 2.9Ltr
Porsche 987 Cayman S 3.2 & 3.4Ltr

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

SUSPENSION9871
35-122135
35-122142
29168
33180
3609309627
35-348177

The product you are viewing cross references to these numbers
Anti roll bar bush Rear 20mm for Porsche 996 / 997 / Boxster / Cayman - PFR57-510-20BLK, 99633379225
2
Anti roll bar bush Rear 20mm for Porsche 996 / 997 / Boxster / Cayman
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
Front and rear anti roll bar set 5 way adjustable. Porsche 981 / 718 Boxster and Cayman - 99134370511, 99134370514, 99134370515, 99134370516, 98133370310, 98133370314, 98133370315, 98133370316, 98133370317, 98133370313 - CMSPSB-BSGTS-BLK, CMSPSB-BSGTS-YEL, CMSPSB-BSGTS-RED, CMSPSB-BSGTS-SIL
6
Front and rear anti roll bar set 5 way adjustable. Porsche 981 / 718 Boxster and Cayman
991343705CMS
Product Information
Product Information
Front and rear anti roll bar set 5 way adjustable. 

Fits:
Porsche 981 Boxster / Boxster S - 2012 to 2016
Porsche 981 Cayman / Cayman S - 2013 to 2016
Porsche 718 Boxster / Boxster S / Boxster T/ Boxster GTS - 2017 Onwards (2.0lt and 2.5ltr models)
Porsche 718 Cayman / Cayman S / Cayman T/ Cayman GTS - 2017 Onwards (2.0lt and 2.5ltr models)

The Best Suspension Mod Available for the Porsche 981 and 718

Through extensive research and track testing, CMS has engineered the perfect replacement sway bars for the Porsche 981 & 718 Cayman/Boxster (all model) Our engineers took hundreds of laps at racetracks from Road America to COTA, Mid Ohio to High Plains, along with thousands of miles on the street. All to confirm the CMS Performance Sway Bars transform the handling of the Porsche while maintaining the car's everyday driveability and reliability.

Tuned to work with your Porsche's OEM struts and springs (both standard and PASM), the CMS Sway Bars are the best handling improvement you can make to your 981. Based on the sway bars of the GT4, the CMS Performance Sway Bars have five holes of adjustment both front and rear, giving you an unprecedented range within which to tune your car's handling depending on the road or track you're tackling.

Larger Diameter Plus  Fine-Tuning Your Porsche's Handling

With larger diameters than the OEM GT4 bars, the CMS Performance Adjustable Sway Bars can be adjusted from slightly softer than stock to substantially stiffer. This lets you fine-tune handling balance from understeer to neutral to oversteer with simple hand tools.

Included are OEM Porsche sway bar bushings, precision-machined for the slightly larger bars, giving you worry-free fitment, OEM quality, and a noise-free installation. CMS Performance Sway Bars are engineered and manufactured in the USA with drop-forged ends for high strength and performance.

Base, S, GTS models have CMS front drop links. These are OEM Porsche front links customized to fit the CMS front sway bar. Your original rear drop links do not need to be replaced.

CMS Performance Adjustable Sway Bars Details:

  • Diameters of 31.8mm (front) and 25.4mm (rear), 30% larger than the OEM 981 Cayman GT4 bars
  • Adjustment of each bar goes from 1% softer than stock to 50% stiffer.
  • Powder-coated Black, Red, or Silver for long life and great looks
  • Designed and manufactured in the USA using all US components
  • Engineered specifically for the Porsche 981 and 718 chassis

Adjustable Sway Bar Kit Includes the Following:
  • Front and rear five-way-adjustable sway bars w/ forged ends
  • OEM Porsche bushings custom-machined to our specifications
  • OEM Porsche front drop link set, customized to our specification (required for Base, S, GTS)



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

991343705CMS
99134370511
99134370514
99134370515
99134370516
98133370310
98133370314
98133370315
98133370316
98133370317
98133370313

The product you are viewing cross references to these numbers
Front lower strut brace. Porsche 981 Cayman - URKR-TW2-2675
3
Front lower strut brace. Porsche 981 Cayman
LA2-2676
Product Information
Product Information
Front lower strut brace. Porsche 981 Cayman


Fits:
Porsche 981 Cayman - 2013 to 2016

Mounting points - 2
Uses original nuts/bolts for mounting unless supplied

Please note: This product is a special order part and once ordered it cannot be cancelled or returned without our permission.

H&R Anti Roll Bar / Sway Bar Kit. Porsche 987 Boxster / Cayman - 33180-1, 98733370103, 98733370104, 99734370107, 99734370108, 99734370103, 99734370104, 99731370105, 98733370101, 98733370102, 98733370105
1
H&R Anti Roll Bar / Sway Bar Kit. Porsche 987 Boxster / Cayman
Special Offer
33180-1
Product Information
Product Information
H&R Sway Bars are the perfect compliment to H&R Springs, Coil Overs, Performance Shocks and Cup Kits.

hr

Front & Rear Anti Roll Bar:
- Front - 24mm (not adjustable)
- Rear - 22mm (adjustable in 2 places)
- Front roll bar bushes not included, use original
- porsche.

Fits:
Porsche 987 Boxster MKI & MKII 12/2004>>
Porsche 987C Cayman MKI & MKII 11/2005>>

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.

33180-1
33180-1
98733370103
98733370104
99734370107
99734370108
99734370103
99734370104
99731370105
98733370101
98733370102
98733370105

The product you are viewing cross references to these numbers
H&R Anti Roll Bar / Sway Bar Kit. Porsche 981 Boxster / Cayman - 33879-1, 33879, 338791, 33879 1, 99134370511, 99134370515, 98133370311, 98133370310
1
H&R Anti Roll Bar / Sway Bar Kit. Porsche 981 Boxster / Cayman
Special Offer
33879-1
Product Information
Product Information
H&R Sway Bars are the perfect compliment to H&R Springs, Coil Overs, Performance Shocks and Cup Kits.

hr

Front & Rear Anti Roll Bar:
- Front - 28mm (not adjustable) requires bushes 99134379208
- Rear - 24mm (adjustable in 2 places)

Fits:
Porsche 981 Boxster / Boxster S 05/2012>>
Porsche 981 Cayman / Cayman S 05/2012>>

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.

33879-1
33879-1
33879
338791
33879 1
99134370511
99134370515
98133370311
98133370310

The product you are viewing cross references to these numbers
Lateral support clamp anti roll bar. Various sizes for Porsche - PFC13-14, PFC15-16, PFC17-18, PFC19-20, PFC21-22, PFC23-24, PFC25-27, PFC31-33, PFC28-30
3
Lateral support clamp anti roll bar. Various sizes for Porsche
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.


Rear lower strut brace. Porsche 981 Cayman
1
Rear lower strut brace. Porsche 981 Cayman
Special Offer
RL2-2677
Product Information
Product Information

Rear lower strut brace.

Fits:
Porsche 981 Cayman - 2013 to 2016

Mounting points - 2
Uses original nuts/bolts for mounting unless supplied

Please note: This product is a special order part and once ordered it cannot be cancelled or returned without our permission.

Stabilizer bar bush Front. Porsche 986/987 Boxster / 996 / 997 - 99634379217
2
Stabilizer bar bush Front. Porsche 986/987 Boxster / 996 / 997
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
Stabilizer bar bush Front. Porsche 986/987 Boxster / 996 / 997 - 99634379217
2
Stabilizer bar bush Front. Porsche 986/987 Boxster / 996 / 997
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
DISPLAYING 1 to 13 (of 13 products)
Also found on these pages
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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