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Porsche > 997 (911) MK1 2005-2008 > 997 MK1 TURBO 2007-09 > Suspension & Axle > Anti Roll Bar >

Rear anti-roll bar kit 15mm. Porsche 911 1968-73 / 912  ❭  90133370104

Rear anti-roll bar kit 15mm. Porsche 911 1968-73 / 912 - 90133370104, 90133157107, 90133373100, 90133373101, 90133373200, 90133373201, 90133375301, 90133379302, 90133379303, 90133379304, 90133390101, 90134378200, 90150118020 - 1650400310
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90133370104/2
Product Information
Product Information
Rear anti-roll bar kit 15mm. 
This kit includes a 15 mm diameter rear anti-roll (sway) bar and all necessary mounting hardware - specifically designed for the rear axle of Porsche 911 (1968-73) and Porsche 912 (1968-69) models.

Fits:
Porsche 911 / 912 1968 - 1969
Porsche 911 1970 - 1973

Diagram ref no 1, 2, 3, 4, 5, 9 and 11

• Function: The kit stiffens the rear roll resistance by bridging the rear axle ends and transferring body roll loads across the chassis. This improves cornering balance, reduces body lean and enhances rear-end stability without compromising ride quality.

• Over time, the original sway bar or its bushings may sag, corrode or deform - leading to increased body roll, reduced handling precision or uneven tyre wear. Upgrading to this kit restores correct rear roll-control, improves handling responsiveness and ensures the car behaves as the factory intended.

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Related, superseded, cross reference or alternative numbers for comparison.

90133370104
90133370104
90133157107
90133373100
90133373101
90133373200
90133373201
90133375301
90133379302
90133379303
90133379304
90133390101
90134378200
90150118020

The product you are viewing cross references to these numbers
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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.