Spring Plate

Rear axle cross tube.



Fits:
Porsche 911 Carrera 72-86

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

91133101002GRV

The product you are viewing cross references to these numbers

Bushings set with instructions:  
Includes 4x Heavy Duty rubber softness spring plate bushings  (w/ 80-85 shore A)

Outer dia: 75mm
Inner dia: 48mm
Thicknes: 42mm

Fits:
Porsche 911 1968-89
Porsche 912 1968-69
Porsche 912 1976
Porsche 930 1978-79

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Related, superseded, cross reference or alternative numbers for comparison.

91133300900BHD

The product you are viewing cross references to these numbers

Bushings set with instructions:  
Includes 4x Standard rubber softness spring plate bushings  (w/ 55-60 shore A)



Outer dia: 75mm
Inner dia: 48mm
Thicknes: 42mm

Fits:
Porsche 911 1968-89
Porsche 912 1968-69
Porsche 912 1976
Porsche 930 1978-79

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Related, superseded, cross reference or alternative numbers for comparison.

91133300900B

The product you are viewing cross references to these numbers

Rear trailing arm to spring plate eccentric bolt.

Fits:
Porsche 911/912 1965-73

Diagram ref no 27

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Related, superseded, cross reference or alternative numbers for comparison.

90133313310

The product you are viewing cross references to these numbers

Rear trailing arm to spring plate eccentric bolt.
Price is each.

Fits:
Porsche 911/912 1965-73

Diagram ref no 27

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Related, superseded, cross reference or alternative numbers for comparison.

90133313310

The product you are viewing cross references to these numbers

Rear trailing arm to spring plate eccentric bolt.
Price is each.

Fits:
Porsche 911/912 1965-89
Porsche 911 (930) 1975-89

Diagram ref no 28

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Related, superseded, cross reference or alternative numbers for comparison.

90133313305

The product you are viewing cross references to these numbers

Rear trailing arm to spring plate eccentric bolt.
Price is each.

Fits:
Porsche 911/912 1965-89
Porsche 911 (930) 1975-89

Diagram ref no 28

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Related, superseded, cross reference or alternative numbers for comparison.

90133313305

The product you are viewing cross references to these numbers

Rear Trailing Arm to Spring Plate Hexagon Nut. M12x1,5



Fits:
Porsche 356 B / 356 C
Porsche 911 1965-83
Porsche 911 Turbo 1975-77

Click 'Zoom in' for large parts diagram.
Diagram ref no 28.

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

90003403601

The product you are viewing cross references to these numbers

Spacer ring for rear axle.

Fits:
Porsche 911 2.0-3.0 01/63-07/77
Porsche 912 1.6 01/65-02/70

Diagram Ref No 32

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

90133110700

The product you are viewing cross references to these numbers

Spacer ring for rear axle.

Fits:
Porsche 911 2.0-3.0 01/63-07/77
Porsche 912 1.6 01/65-02/70

Diagram Ref No 32

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

90133110700

The product you are viewing cross references to these numbers

Spring plate covers normally rust, replacing them will give you a better ride.

Fits:
Porsche 911 1965-89
Porsche 930 1975-77

Diagram Ref No. 29

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

90133315300

The product you are viewing cross references to these numbers

Spring plate covers normally rust, replacing them will give you a better ride.

Fits:
Porsche 911 1965-89
Porsche 930 1975-77

Diagram Ref No. 29

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

90133315300

The product you are viewing cross references to these numbers

Adjustable rear spring plate.
2 Required per car. Price is EACH

Fits:
Porsche 911 1969 to 1986

Replace the rusty, worn, rear spring plates with this new, adjustable item.
Spring plates and bushes are designed for standard road use

Diagram Ref No. 16

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

90133300309

The product you are viewing cross references to these numbers

Spring Plate Adjustable, Rear.
Enhance your Porsche’s suspension precision with this Adjustable Rear Spring Plate, designed for classic torsion-bar models. A direct replacement part, this adjustable version allows fine-tuning of ride height, preload, and camber — ideal for performance upgrades, corner balancing, or precise geometry correction.
Sold Each.
x2 Required Per Car.

Fits:

• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1975-1977 3.0L Turbo (930)

Diagram Ref No 16

What This Product Does:

• The spring plate is the point where the torsion bar is mounted into the chassis — it transfers torsional force (spring action) from the torsion bar to the body / suspension.
  
• The adjustability allows you to change how much preload (twist) is put on the torsion bar, which influences ride height, spring rate, and camber under load. This is especially beneficial for performance tuning or if you have modified suspension, tires, or body geometry.
  
• With an adjustable plate, you can fine-tune corner balance, handling traits, and compensate for wear or changes in suspension parts over time.
• Also, replacing old, rusty, or fatigued plates with fresh adjustable ones restores rigidity, consistency, and accuracy to the rear suspension geometry

Symptoms & Signs You May Need Replacement:

• The original plates are rusty, corroded, or weakened (common in older cars)
• The car’s rear ride height or camber is out of spec, and you need a way to adjust without drastic modifications.
• You notice uneven tire wear, or inconsistent handling from side to side, which can be improved by more precise geometry control.
  
  

Why This Upgrade Matters:

• Upgrading to adjustable rear spring plates gives you complete control over your Porsche’s suspension setup. Factory plates offer no fine adjustment, making it difficult to achieve precise ride height, camber, and corner balance — especially on modified or track-driven cars.
  
• With this adjustable design, you can easily tune torsion bar preload and suspension geometry, ensuring the perfect stance and balance for your driving style. The result is sharper turn-in, improved rear-end grip, and more predictable handling, whether on the road or at the circuit.
  
• For classic Porsche models using torsion-bar suspension, this upgrade transforms the driving experience — combining modern adjustability with quality fitment and long-term reliability.

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

90133300309

The product you are viewing cross references to these numbers

SuperPro Replacement Spring Plate Bush Competition use recommended
Replacement for Porsche parts No. 91133300900
SET OF 4



Fits:
Porsche 911 1974-89

Replacing your car rubber suspension bushes with Polyurethane Suspension Bushes will give you:

- Better road holding
- Constant steering geometry
- Increased tyre life
- More responsive steering
- Longer service life of suspension components.

Click 'Zoom in' for large parts diagram.
Fits to No. 16 on the diagram.

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

SPF0242K

The product you are viewing cross references to these numbers