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Spring plates

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PFR57-409
Product Information
Product Information
Powerflex Spring Plate Bush.
Fits to spring plate OEM part number 90133300309
/ 90133300301.

SET OF 4

powerflex

Fits:
Porsche 911 Classic (1968 - 1969)
Porsche 911 Classic (1969 - 1973)
Porsche 911 Classic (1974-1977)
Porsche 911 Classic (1974-1977) Turbo
Porsche 911 Classic (1977 - 1986)
Porsche 911 Classic (1978 - 1989) Turbo
Porsche 911 Classic (1987 - 1989)

Fits to No. 16 on the diagram.


Powerflex. 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.

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Related, superseded, cross reference or alternative numbers for comparison.

PFR57-409
PFR57-409
PFR57409
90133300309
90133300301
9013330030
91133300900
91133300905

The product you are viewing cross references to these numbers
PFR57-409BLK
Product Information
Product Information
Powerflex Black Series Spring Plate Bush.
Fits to spring plate OEM part number 90133300309
/ 90133300301.

SET OF 4

powerflexblk

Fits:
Porsche 911 Classic (1968 - 1969)
Porsche 911 Classic (1969 - 1973)
Porsche 911 Classic (1974-1977)
Porsche 911 Classic (1974-1977) Turbo
Porsche 911 Classic (1977 - 1986)
Porsche 911 Classic (1978 - 1989) Turbo
Porsche 911 Classic (1987 - 1989)

Fits to No. 16 on the diagram.


Powerflex Black Series - Designed for the Track - Ready to Race - Engineered to be the best.

Powerflex Black Series bushes are manufactured using a 95 Shore A compound to provide maximum control of chassis geometry. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material.

If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.

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

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

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Related, superseded, cross reference or alternative numbers for comparison.

PFR57-409BLK
PFR57-409
PFR57409
90133300309
9013330030
90133300301
PFR57-409BLK

The product you are viewing cross references to these numbers
PFR57-409H
Product Information
Product Information
Powerflex Heritage Collection Spring Plate Bush.
Fits to spring plate OEM part number 90133300309
/ 90133300301.

SET OF 4

powerflexh

Fits:
Porsche 911 Classic (1968 - 1969)
Porsche 911 Classic (1969 - 1973)
Porsche 911 Classic (1974-1977)
Porsche 911 Classic (1974-1977) Turbo
Porsche 911 Classic (1977 - 1986)
Porsche 911 Classic (1978 - 1989) Turbo
Porsche 911 Classic (1987 - 1989)

Fits to No. 16 on the diagram.


Powerflex Heritage Collection. For Modern Day Classics.

A range of bushes engineered for the road to compliment your classic car.

POWERFLEX Heritage Collection bushes are manufactured using modern day materials with properties biased for the road. These dark grey coloured bushes will improve any collector's car, whilst retaining the same standard appearance of a rubber bush.

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

PFR57-409H
PFR57-409
PFR57409
PFR57-409H
90133300309
90133300301
9013330030

The product you are viewing cross references to these numbers
SPF0236K
Product Information
Product Information
SuperPro Replacement Spring Plate Bush.
Replacement for Porsche parts No. 91133300900
SET OF 4

superpro

Fits:
Porsche 911 1965-89

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.

SPF0236K
91133300900
91133300905
90133300301
90133300309

The product you are viewing cross references to these numbers
DISPLAYING 5 to 8 (of 25 products)
1 2 3 4 >>
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About Spring plates

Porsche Spring plates

At Design911, we supply a wide range of spring plates for Porsche models, from OE-type replacements to performance-adjustable setups for classic and later cars.

Our product range includes

Why do Porsche Spring plates matter?

Spring plates sit between the torsion bars or springs and the rear suspension on many Porsche models, and play a key role in how the rear of the car moves, feels and can be adjusted. Over time the plates and especially their bushes can wear or corrode, which affects how smoothly the suspension articulates and how accurately ride height and geometry can be set. Renewing tired components helps the rear suspension work freely again and supports precise setup for road or track use.

  • Keep the rear of your Porsche feeling consistent and controlled
  • Support accurate ride height and geometry adjustment during setup
  • Reduce unwanted noises from worn bushes and sticking movement
  • Help maintain long-term enjoyment and potential resale appeal of classic Porsche models

Common options & kits

Individual replacement parts Specific items to address a particular area or issue without changing everything at once.

  • Ideal for targeted repairs
  • Lets you replace only what is needed
  • Helps keep initial costs under control

Matched sets or pairs Components supplied together so both sides or related items are renewed at the same time.

  • Consistent feel and behaviour from left to right
  • Helps avoid uneven wear or response
  • A sensible choice for routine suspension refurbishment

Complete kits Grouped parts designed to refresh a whole area of the suspension in one go, useful for upgrades and restorations.

  • Everything specified in a single package
  • Saves time compared with sourcing parts individually
  • Ideal when upgrading or restoring your Porsche

Brands available in this category

For this category we stock a wide choice of trusted brands for Porsche models. You can also browse and filter by brand on this page to focus on your preferred manufacturers.

When should you review or replace your Porsche spring plates?

Checking spring plates and their bushes during suspension work helps you spot wear, damage or age-related deterioration before it affects comfort, refinement or leads to more expensive repairs later on.

  • Existing parts are worn, cracked, noisy, corroded or seized
  • You notice knocking, squeaking, binding, inconsistent ride height or harshness over bumps
  • Rear alignment or ride-height adjustment has become difficult or unstable
  • You are carrying out a wider suspension refresh, geometry setup or restoration

If any of these apply, it is a good time to review your spring plates and replace anything that is past its best so your Porsche stays dependable and enjoyable to drive.

Explore Porsche spring plates with Design911

Browse spring plates for Porsche at Design911 — from individual components to complete kits — and find options to suit everyday maintenance, performance upgrades and full classic restorations.

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