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- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
It’s a suspension rubber mount that fits around the anti-roll bar to secure it to the rear axle and help control chassis movement.
SET OF 2. Two bushings (left and right) are typically required per vehicle.
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2005 Cars with Sport Suspension - Please choose by size
Porsche 987.1 Boxster 2005 - 2008 Cars with Sport Suspension
Porsche 996 C2 / C4 / C4S 1998 - 2005 *Cars with Sport Suspension - Please choose by size
Porsche 997.1 C2 / C2S / C4 / C4S 2005 - 2008 - Please choose by size
Diagram Ref No 2.
• Application: Rear anti-roll (stabilizer) bar bushing - fits around the 19.8 mm diameter stabilizer bar to mount it to the rear suspension subframe. Two bushings (left and right) are typically required per vehicle.
The anti-roll bar bushing cushions and secures the stabilizer bar to the rear suspension structure. This part helps maintain the correct position and movement control of the rear anti-roll bar, reducing unwanted body roll in corners and stabilizing the chassis during acceleration, braking, and steering.
Over time, the factory rubber in anti-roll bar bushings can harden, crack, or break down due to heat, age, and load cycles. Worn bushings can lead to:
• Increased body roll and reduced handling precision
• Clunking or knocking noises from the rear suspension
• Uneven tire wear
• Loose or sloppy cornering response
Replacing bushings restores correct fitment and suspension geometry, improving stability, road feel, and overall driving confidence. Spyder Performance
Replace the rear anti-roll bar bushings if you notice:
• Clunking or rattling from the rear suspension
• Excessive body lean when cornering
• Visible cracks, distortion, or missing rubber on existing bushings
• During suspension overhaul or anti-roll bar removal
• Elevated noise or vibration through the rear of the car
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99633379225
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
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.
OE Match rear stabilizer bar repair kit for Porsche 996 Turbo models. This complete rear anti-roll bar service kit includes drop links, stabilizer bar bushes, mounting clamps, and bolts to help restore rear suspension control and reduce unwanted movement or knocking. This kit includes the key components commonly required when refreshing the rear stabilizer bar mounting and linkage system.
1 kit required per vehicle
Fits:
Porsche 996 Turbo 2000 - 2005
Diagram ref no 2, 3, 4, 5 & 6.
Kit Contents
2 x Rear stabilizer bar drop links — 99633306904
2 x Rear stabilizer bar bushes — 99633379227
4 x Stabilizer bar bush clamp bolts — 90037805501
2 x Stabilizer bar mounting clamps — 99633377701
The rear stabilizer bar helps reduce body roll during cornering by linking suspension movement across the rear axle. The drop links connect the stabilizer bar to the suspension, while the bushes and clamps secure the bar to the chassis. Replacing these components together helps restore correct rear anti-roll bar operation and rear axle stability.
Functions
• Replaces rear stabilizer bar drop links
• Replaces rear stabilizer bar mounting bushes
• Includes stabilizer bar clamps and fixing bolts
• Helps secure the rear anti-roll bar correctly
• Supports stable rear suspension and handling response
• Helps reduce rear suspension knocking, looseness, and vibration
• OE Match repair kit for Porsche 996 Turbo rear stabilizer bar service.
Why Replace This Kit?
Rear stabilizer bar components are exposed to road dirt, moisture, suspension load, vibration, heat, and age. Drop link joints can wear or develop play, bushes can crack or compress, clamps can corrode, and bolts can seize or become damaged during removal. Worn components may cause rear suspension knocking, increased body roll, vague handling, uneven response, or failed inspection. Replacing the drop links, bushes, clamps, and bolts together helps restore a secure and balanced rear anti-roll bar assembly.
When to Replace This Kit
• Rear suspension knocking or clunking is present
• Rear drop links are worn, loose, noisy, or damaged
• Stabilizer bar bushes are cracked, split, compressed, or missing
• Clamps or bolts are corroded, seized, or damaged
• Rear anti-roll bar service or suspension refresh is being carried out
• Handling feels vague or body roll has increased
• The vehicle is undergoing Porsche 996 Turbo suspension restoration.
Where it fits on the car
This kit fits on the rear stabilizer bar / rear anti-roll bar assembly on Porsche 996 Turbo models. It services the rear bar link and mounting points across the rear axle.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
SWAYBARKIT.996T.R
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
