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Porsche Suspension & Axle Anti Roll Bar

Stabiliser / Torsion Bar Mounting Plate Closed. Porsche 911 / 912 1965–73  ›  90134376500

Stabiliser / Torsion Bar Mounting Plate Closed. Porsche 911 / 912 1965–73 - 90134376500
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90134376500
Product Information
Product Information

Stabiliser / Torsion Bar Mounting Plate - Closed

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Diagram Ref No 26

What This Product Does

This cap covers the specified opening in the front axle stabiliser assembly. It is used when preserving or rebuilding the applicable factory suspension configuration.

Functions

  • Covers the designated stabiliser opening
  • Completes the associated front axle arrangement
  • Supports an original-specification suspension rebuild

Technical Details

  • Part number: 90134376500
  • Component: front axle stabiliser opening cap
  • Fitting position: front axle
  • Diagram quantity: two per applicable vehicle
  • Diagram applications include 911 T/E, 911 TU and 912 (USA)
  • Listed alongside sealing washer 90134376600 in the stabiliser assembly

Symptoms of Fault

  • The original cap is absent
  • Cracking, deformation or other visible damage
  • The cap is loose or will not remain seated
  • The relevant stabiliser opening is uncovered

Why Replacement Matters

Renewing a damaged or missing cap restores the intended arrangement of the front axle stabiliser assembly and helps maintain the car's original specification. As the exploded diagrams list two caps, inspect both sides during the repair.

FAQs

  • Is this a complete anti-roll bar?
    No. This product is the opening cap fitted within the front axle stabiliser assembly.
  • What quantity is indicated?
    The applicable exploded diagrams list two caps per vehicle. Confirm the quantity needed for the work being carried out.
  • Is it suitable for every early 911?
    No. Compatibility depends on the model, year and suspension specification; the supplied diagram information excludes 911 T-K applications.


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Related, superseded, cross reference or alternative numbers for comparison.

90134376500
90134376500

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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.