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Kits
Also known as a stabiliser mounting or sway bar bush. The bushing secures the stabiliser to the chassis bracket and ensures optimal transfer of roll‐control forces during cornering, while maintaining isolation for a quiet, refined ride.
SET OF 2
Fits:
Porsche 986 Boxster 1997-04 2.5L / 2.7L
* Cars with standard suspension
Porsche 996 C2 Coupe
* Fits only Manual cars with standard suspension
Diagram Ref No 2.
• Position on Vehicle: Front axle, stabiliser (anti‐roll) bar mounting – bush between bar and chassis bracket.
• Applications: Suitable when the original stabiliser bar bush is worn, cracked, flattened or causing noise and reduced rear/ front roll-control. Essential for restoring proper roll-bar function and chassis behaviour.
The stabiliser bar (sway bar) plays a key role in controlling body roll and ensuring lateral stability during cornering. If the bushings that mount it to the chassis are worn, they permit unwanted movement, causing clunks, loose feel, excessive body lean or uneven tyre wear. Replacing these bushings with correctly sized units ensures the roll-bar functions correctly and your suspension performs as intended.
When and why to replace:
• You hear a knocking or clunking sound when cornering, going over bumps or when driving over rough roads.
• The front suspension feels vague or exhibits more body roll than normal.
• Visual inspection shows cracks, flattening or deformation of the bush.
• As part of a front suspension refresh, alignment work or whenever you're renewing multiple components for improved handling.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99634379214
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
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.
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