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Porsche > Cayman 718C (982C) 2017>> > Cayman GTS 718 4.0L Manual (400 Bhp) > Suspension Upgrades >

Anti Roll Sway Bar

Anti Roll Sway Bar

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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
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Lateral support clamp anti roll bar. Various sizes for Porsche
PFC
Product Information
Product Information
Lateral support clamp anti roll bar. 



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 Anti-Roll Bar. Porsche 981 Boxster / 982 Boxster / 982C Cayman 2012>> - 98133370314
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Rear Anti-Roll Bar. Porsche 981 Boxster / 982 Boxster / 982C Cayman 2012>>
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98133370314
Product Information
Product Information

Rear anti-roll bar 98133370314 by Porsche for selected 981 Boxster, 982 Boxster and 982C Cayman applications from 2012 onwards. This genuine rear stabiliser must be selected using the applicable vehicle PR codes.

Fits

  • Porsche 981 Boxster 2.7L / Boxster S and GTS 3.4L 2012–16 — PR:009,X73 or PR:008,X73 as specified by the parts diagram
  • Porsche 718 Boxster (982) 2017>> — 2.0L 300 Bhp base and T, 2.5L 350 Bhp S, 2.5L 365 Bhp GTS, 4.0L 400 Bhp GTS and Boxster 25 Years, including listed manual and PDK variants — PR:219,475477
  • Porsche 718 Cayman (982C) 2017>> — 2.0L 300 Bhp base and T, 2.5L 350 Bhp S, 2.5L 365 Bhp GTS and 4.0L 400 Bhp GTS, including listed manual and PDK variants — PR:006,030; PR:029; or PR:219,475477

Check fitment for your specific vehicle (model, year, engine) before ordering. Confirm the part number and PR codes against the VIN because visually similar stabilisers can have different specifications.

Diagram: Anti-roll bar 981 Boxster / Boxster S 2012-16

Diagram: Anti-roll bar 718 (982) Boxster 2017>>

Diagram: Anti-roll bar 718C (982C) Cayman 2017>>

What This Product Does

The anti-roll bar connects the left and right sides of the rear suspension. By resisting differences in suspension movement across the axle, it helps manage body roll and preserves the chassis balance specified for the vehicle.

Functions

  • Resists excessive lateral body movement during cornering
  • Connects suspension movement across the rear axle
  • Helps maintain the intended front-to-rear handling balance
  • Transfers loads through the stabiliser mountings and coupling rods

Technical Details

  • Part number: 98133370314
  • Catalogue description: anti-roll bar; stabiliser; stabilizer
  • Position: rear axle
  • Brand: genuine Porsche
  • Diagram quantity: 1
  • Application identifiers: PR:009,X73; PR:008,X73; PR:219,475477; PR:006,030; PR:029

Symptoms of Fault

  • Greater body roll or inconsistent behaviour through corners
  • Visible corrosion, bending or other physical damage
  • Excess movement around the mounting locations
  • Clunks or knocks when travelling over uneven surfaces
  • Unsettled response during quick changes of direction

Suspension noise does not necessarily indicate a defective bar. Worn bushes, coupling rods, brackets or fasteners are more frequent causes, so the complete stabiliser assembly should be inspected before parts are replaced.

Why Replacement Matters

A bent, damaged or incorrectly specified stabiliser can change the suspension characteristics intended for the car. Installing the correct PR-code-specific Porsche part helps retain the original rear chassis configuration. Inspect the associated bushes, clamps, brackets, links and fixings while access is available.

FAQs

  • How is the correct anti-roll bar identified?
    Compare part number 98133370314 and the listed PR codes with the vehicle VIN and factory equipment data.
  • Is the anti-roll bar always responsible for rear suspension knocks?
    No. Check the bushes, coupling rods, brackets and mounting hardware first, as wear in these components commonly causes noise.
  • Are bushes, brackets and coupling rods included?
    These are separate parts within the stabiliser assembly and should be assessed individually.


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98133370314
98133370314

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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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