Spring Plate

Spring Plate Cover Bolt. M10x28

Fits:
Porsche 911 1965-77
Porsche 911 (930) Turbo 1975-77

Click 'Zoom in' for large parts diagram.
Diagram ref no 36

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90007504203

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Spring plate hardware kit.

Fits:
Porsche 911 / 912 / 930 1969-89
with Aluminium trailing arms

Complete your Spring Plate Installation

While replacing spring plates, you'll often find that the hardware is worn and ready for replacement. We've assembled this kit as per factory specifications so you don't have to hunt and source the parts yourself.

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2200000

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Spring plate hardware kit.

Fits:
Porsche 911 / 912 / 930 1969-89
with Steel trailing arms

Complete your Spring Plate Installation

While replacing spring plates, you'll often find that the hardware is worn and ready for replacement. We've assembled this kit as per factory specifications so you don't have to hunt and source the parts yourself.

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2200001

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Spring plate PolyBronze bearings
For Porsche 911, 912, 930 1968-1989 Spring Plate SAW

PolyBronze bearings are superior to plastic bushing alternatives, here's why:

Suspension mounts are coarse sheet metal pressings. They tend to be out-of-round and have irregularities that deform ordinary polyurethane bushings, pinching and binding the friction surface. Polyurethane is "grippy" with an inherently high coefficient of friction and combined with pinching polyurethane bushings create a lot of friction. The result is a harsh ride and reduced tire adhesion.

PolyBronze have a rigid bronze bearing core that does not deform. The polyurethane jacket absorbs mount irregularities while the bronze inner bearing remains true, providing a free-moving machined-fit that rides on a precision race. Provided grease fittings make re-lubrication a breeze and a figure 8 groove keeps grease in place.

The combination delivers zero squeaks and friction-free suspension movement. Well suited to street or track, ride quality.

PolyBronze is a precision bronze bearing encased in a polyurethane jacket. The combination delivers a smooth-ride with the extreme performance of a metal bearing.

✔ No squeaks or binding
✔ Extremely smooth ride quality
✔ Easier to install than rubber bushings
✔ Integrated grease fittings and grooves

Note – 1967 spring plate bushings changed mid-year. The following '67 chassis numbers transitioned to the late style '69-'89 style bushes.

• '67 911 from Chassis Serial Number 307 325
• '67 912 from Chassis Serial Number 354 938
• '67 911 S from Chassis Serial Number 305 101 A

All earlier '67 chassis numbers use the early '65-'66 style bushes.

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2061501

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Spring plate PolyBronze bearings.

Fits:
Porsche 911 1968-89 Spring Plate Stock

Want to experience precision driving, faster lap times, improved road feel and feedback?

Our patented PolyBronze suspension bearings set a new standard for performance, ride quality and ease-of-installation. Regular polyurethane/plastic suspension bushings are obsolete!

PolyBronze is a precision bronze bearing encased in a polyurethane jacket. The combination delivers a smooth-ride with the extreme performance of a metal bearing.

• No squeaks or binding
• Extremely smooth ride quality
• Easier to install than rubber bushings
• Integrated grease fittings and grooves

PolyBronze bearings are superior to plastic bushing alternatives, here's why:

Suspension mounts are coarse sheet metal pressings. They tend to be out-of-round and have irregularities that deform ordinary polyurethane bushings, pinching and binding the friction surface. Polyurethane is "grippy" with an inherently high coefficient of friction and combined with pinching polyurethane bushings create a lot of friction. The result is a harsh ride and reduced tire adhesion.

PolyBronze have a rigid bronze bearing core that does not deform. The polyurethane jacket absorbs mount irregularities while the bronze inner bearing remains true, providing a free-moving machined-fit that rides on a precision race. Provided grease fittings make re-lubrication a breeze and a figure 8 groove keeps grease in place.

The combination delivers zero squeaks and friction-free suspension movement. Well suited to street or track, ride quality.

NOTE:
1967 spring plate bushings changed mid-year. The following '67 chassis numbers transitioned to the late style '69-'89 style bushes.
'67 911 from Chassis Serial Number 307 325
'67 912 from Chassis Serial Number 354 938
'67 911 S from Chassis Serial Number 305 101 A
All earlier '67 chassis numbers use the early '65-'66 style bushes.

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2061500

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Spring plate normally rust, replacing them will give you a better ride.
Price is Each.

Fits:
Porsche 911 1987-89 G50 Gearbox

Click 'Zoom in' for large parts diagram.
Diagram Ref No. 16

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91133300906

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Spring plate normally rust, replacing them will give you a better ride. Price is Each.

Fits:
Porsche 911S / 911TU / 911L 1965-68
Porsche 912 1965-68

Click 'Zoom in' for large parts diagram.
Diagram Ref No. 16

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90133300307

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Spring Plate Rubber Bushing Kit, Sport-Harder Rubbers.
Upgrade your Porsche’s suspension with this Sport Spring Plate Rubber Bushing Kit.
These bushings provide sharper handling and greater durability while still maintaining some compliance for road use. 

1 Set Required Per Car.

Kit Includes:

• 4x Bushing
• 4x Abresive Cloth
• 1x Adhesive
  
  

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 1987-1989 3.2L G50
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
  
  

What This Product Does:
The Spring Plate Rubber Bushing Kit, Sport-Harder Rubbers is designed as a suspension upgrade for classic Porsche models. Unlike standard bushings, this kit uses harder rubber compounds for improved performance.

Functions Include:

• Enhanced Suspension Control – Reduces unwanted flex in the spring plates.
  
• Sharper Handling – Keeps the suspension geometry more precise during hard driving.
  
• Reduced Deflection – harder rubber means less “squish” compared to standard bushings.
  
• Durable Construction – longer-lasting than softer standard rubber under performance use.
  
  

Symptoms That Indicate You Need Replacement:

• Rear suspension clunking or knocking under load.
  
• Loose or unstable handling, especially in corners.
  
• Poor alignment and uneven tyre wear.
  
• Excessive body movement when accelerating or braking.
  
• Cracked or deteriorated bushings visible on inspection.
  
  

Why Choose Sport/Harder Rubber Bushings:

• For Enthusiasts – Ideal if you want a sportier, more connected feel without going to solid or polyurethane mounts.
  
• Balanced Upgrade – Stiffer than standard bushings, but still offers some compliance for road use.
  
• Improves Driving Dynamics – Better response during acceleration, braking, and cornering.
  

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PR52041P

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Spring plate rubber bushing kit
1 kit required per car

Fits
Porsche 911 SWB - 1965 to 1967
Porsche 911 - 1967 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 912 - 1966 to 1976

Stock Spec Spring Plate Bushes

A true stock spec bushing replacement for spring plates.
Spring plate bush condition can be accessed by looking at the hole in the spring plate cover. It should be concentric around the spring plate. When the bushings deform, the cover becomes non-concentric around the spring plate and in extreme cases actually contacts the cover plate – metal-to-metal.

More than just bushings, this is a full kit that includes inner and outer bushings (4 pcs), adhesive, instructions, long bolts to press in the bushings, and abrasive cloth to prep the surface.

Rubber is the choice if you want to restore factory ride and performance in a zero-maintenance solution. Check our PolyBronze Bearings for a high-performance solution.

Also see our Bushings Removal Tool to simplify the removal of old bushings.

Notes – 1967 spring plate bushings changed mid-year
The following 1967 chassis numbers transitioned to the late style 1969-89 style bushes.
• 1967 911 from Chassis Number 307 325
• 1967 912 from Chassis Serial 354 938
• 1967 911 S from Chassis Serial 305101 A

All earlier 1967 chassis numbers use the early 1965-67 style bushes



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PR5204

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Sports adjustable rear spring plate.
2 Required per car. Price is EACH

Fits:
Porsche 911 1969 to 1986

Sport bushings – 30% harder rubber

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

Diagram Ref No. 16

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90133300309

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Spring Plate Sports Adjustable, Rear.
Upgrade your Porsche’s suspension precision with this Sports Adjustable Rear Spring Plate, designed for fine-tuning ride height and corner balance. A direct replacement, this high-quality component fits classic Porsche 911 models and allows precise adjustment of rear torsion bar preload and camber settings.
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)
• Porsche 911 1978-1989 3.3L Turbo (930)

Diagram Ref No 16

What This Product Does:

• Holding the torsion bar end and anchoring it to the chassis or suspension structure.
• Providing a mounting surface for the torsion bar to twist against, effectively managing the rear spring action (torsional stiffness).
• The adjustable aspect allows you to change preload, camber, or ride height for tuning the rear suspension setup to your desired performance balance (road or track)
  
• Helping maintain correct geometry as suspension moves, ensuring better tire contact, handling, and responsiveness.
  
  

Symptoms & Signs You May Need Replacement:

• Rust / corrosion / fatigue: The old plates may be rusty or weakened, especially in classic cars.
  
• Sagging or misalignment: Rear ride height may fall, or camber might drift under load.
  
• Uneven tire wear: Because geometry is off or not held firmly, the tires may wear more on one edge.
  
• Poor rear handling / unpredictable grip: The rear may feel loose under cornering or shift unpredictably under load.
  
• Difficulty setting or maintaining geometry: Without adjustability, it’s harder to dial in suspension tweaks, especially for track use or changed setups (wider tires, stiffer suspension, etc.).
  
  

Why This Upgrade Matters:
Factory spring plates offer limited adjustment. This RS-style sports version allows quick and accurate tuning of ride height, preload, and camber, giving sharper handling and better tire contact for both road and track.

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90133300309

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Spring Plate Sports Quick Adjust Rear Set.
Upgrade the rear torsion-bar mounting of your Porsche 911 with this high-performance spring plate set. Designed for 1969-1986 911 models, this pair of indexed, quick-adjust plates replaces the original fixed units with a setup that allows ride-height, preload and corner-balance tuning. The “Sports” version features stiffer mounting bushings and precision manufacturing to reduce deflection and improve rear suspension stability under load.
Sold As A Set.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• 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

Diagram Ref No 16

What This Product Does:

• In torsion-bar rear suspension setups of early Porsches, the spring plate is the mounting point for the torsion bar end. It anchors the bar and defines ride height, preload and geometry of the rear axle.
• The “quick adjust” / indexing feature allows fast ride height or preload changes without major disassembly — enabling easier suspension setup or tuning.
  
• The “Sports” version also implies stiffer bushings or upgraded materials to reduce flex under load, improving rear-end stability and alignment retention during dynamic driving.

Symptoms & Signs You Might Need It:

• Rear ride height is incorrect or one side sits lower/higher than the other — the original plates may have settled, corroded or lost indexing.
  
• Rear suspension feels vague or loose in corners — the torsion-bar mount may be deflecting under load because the plate is worn or the fixings no longer rigid.
  
• Uneven tyre wear on the rear, indicative of changing geometry under load.
  
• You’ve modified the rear suspension (lowered ride height, stiffer springs, track use) and the original fixed spring plates limit your ability to set proper ride height or preload.
• The original plates are rusted, corroded or damaged — since many 911s from that era are several decades old, replacement can restore integrity.

Why This Upgrade Matters:

• The quick-adjust design gives greater flexibility to set the rear suspension correctly (preload, ride height, corner balance) — valuable in restoration, performance or track setups.
  
• Upgraded “Sports” bushings/plates reduce unwanted flex and movement, meaning the torsion bar mounting remains more stable, which improves handling precision, alignment retention and tyre life.
• For a classic 911 which may have been lowered or upgraded, the standard spring plates may no longer be optimal; installing this set helps the entire rear suspension perform as intended or better.
• It’s also a practical maintenance upgrade: replacing aged plates removes a common wear item and avoids downstream issues caused by degraded rear suspension mounts.

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90133300309

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Sports quick adjust rear spring plate set.
SET OF 2 Left & Right

Fits:
Porsche 911 1969 to 1986
Porsche 911 turbo 1975 to 1988

Replace the rusty, worn, rear spring plates with this new item.

Spring plates and bushes are motorsport designed for quick adjustment. 225 Nm torque setting for the large bolt.

Diagram Ref No. 16

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90133300309

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Spring plates normally rust & rubber bushes deteriorate, replacing them will give you a better ride. Price is Each.

Fits:
Porsche 911 1969-76
Porsche 912 1969

Click 'Zoom in' for large parts diagram.
Diagram Ref No. 25

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90133300309

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Spring Plate With Bushing, Rear.

The OE Match Rear Spring Plate with Bushing is a replacement suspension component for classic Porsche 911 and Porsche 912 models equipped with rear torsion-bar suspension.
Price Is Each.

Fits:

• Porsche 911 1969-76
• Porsche 912 1969

Diagram Ref No 25

The spring plate forms an important connection between the rear suspension and the torsion bar. As the rear wheel moves through its suspension travel, the spring plate transfers that movement into the torsion bar, which twists to provide the springing force required to support the rear of the vehicle.

The integrated rubber bushing supports the spring plate within its mounting point while allowing controlled rotational movement. It also helps isolate vibration and prevents excessive metal-to-metal movement between the spring plate and surrounding suspension structure.

Over time, original spring plates can suffer from corrosion, while the rubber bushings can harden, crack, compress or deform. Replacing the complete assembly helps restore correct suspension movement, rear ride height and predictable handling.

What This Product Does:

• Connects the rear suspension to the torsion bar.
• Transfers suspension movement and load into the torsion bar.
• Allows the torsion bar to provide the rear springing force.
• Helps maintain correct rear ride height.
• Supports stable rear suspension geometry.
• Helps control wheel movement during acceleration, braking and cornering.
• Uses a rubber bushing to provide controlled articulation.
• Helps isolate suspension vibration and noise from the chassis.
• Prevents excessive movement at the spring plate mounting point.
• Replaces a corroded, bent or damaged original spring plate.
• Replaces an aged, cracked or deformed spring plate bushing.
• Helps restore suspension performance during a rear suspension rebuild or vehicle restoration.

A correctly functioning spring plate and bushing assembly helps maintain consistent rear ride height, alignment and smooth suspension articulation.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Knocking or clunking from the rear suspension.
• Creaking or rubbing noises over bumps.
• Rear suspension feeling loose or less precise.
• Excessive movement around the spring plate mounting point.
• Vehicle feeling unstable or vague during cornering.
• Uneven rear ride height.
• One side of the vehicle sitting lower than the other.
• Increased vibration through the rear of the vehicle.
• Poor or inconsistent suspension response.
• Spring plate rubbing against its cover.
• Visible cracking or deterioration of the rubber bushing.
• Rubber becoming compressed or permanently distorted.
• Heavy corrosion or rust on the spring plate.
• Deep pitting or scaling of the metal.
• Bent or physically damaged spring plate.
• Difficulty maintaining correct rear wheel alignment.

Worn bushings can deform enough to allow the spring plate to contact its cover, producing rubbing or knocking noises and allowing unwanted suspension movement.

Why Replacement Matters:
The spring plate is a structural part of the rear torsion-bar suspension system.

If the plate becomes badly corroded, distorted or damaged, it may no longer transfer suspension loads correctly. Likewise, deteriorated bushings can allow excessive movement and prevent the spring plate from remaining accurately positioned.

Replacing a worn assembly helps restore:

• Correct rear suspension movement.
• Consistent ride height.
• Improved rear-end stability.
• Predictable handling.
• Correct suspension geometry.
• Reduced knocking and rubbing noises.
• Better vibration isolation.
• Reliable torsion-bar operation.
• More consistent tyre contact with the road.

Maintaining tight, controlled spring plate movement also helps reduce unnecessary stress on surrounding suspension components.

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90133300309

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Spring Plate With Bushing, Rear.

The OE Match Rear Spring Plate with Bushing is a replacement suspension component for early Porsche 911 and Porsche 912 models using the rear torsion-bar suspension system.
Price Is Each.

Fits:

• Porsche 911S / 911TU / 911L 1965-68
• Porsche 912 1965-68

Diagram Ref No 16

The spring plate connects the rear suspension to the torsion bar and transfers suspension movement and load into the torsion bar as the rear wheels move over bumps, during cornering and under acceleration or braking.

The integrated rubber bushing supports the spring plate within its mounting point while allowing controlled suspension movement. It also helps isolate vibration and prevents excessive metal-to-metal movement between the spring plate and surrounding suspension structure.

Correct spring plate condition is essential for maintaining rear ride height, suspension geometry and predictable handling. On older vehicles, corrosion of the metal plate and deterioration of the rubber bushing can lead to increased movement, noise and inconsistent suspension behaviour.

What This Product Does:

• Connects the rear suspension assembly to the torsion bar.
• Transfers suspension loads into the torsion bar.
• Allows the torsion bar to provide the rear springing force.
• Helps maintain the correct rear ride height.
• Supports consistent rear suspension geometry.
• Helps control wheel movement under acceleration, braking and cornering.
• Uses a rubber bushing to allow controlled articulation.
• Helps isolate vibration and suspension noise from the chassis.
• Prevents excessive movement between the spring plate and its mounting points.
• Replaces a corroded, damaged or distorted original spring plate.
• Replaces an aged, cracked or deformed spring plate bushing.

The spring plate is a central part of the classic Porsche torsion-bar suspension system. As the rear suspension moves, the torsion bar twists and stores energy, while the spring plate transmits that movement between the suspension and torsion bar.

Symptoms Of Wear Or Failure:
Possible symptoms include:

• Knocking or clunking from the rear suspension.
• Creaking or rubbing noises over bumps.
• Excessive movement around the spring plate mounting area.
• Rear suspension feeling loose or less precise.
• Vehicle wandering or feeling unstable during cornering.
• Uneven or sagging rear ride height.
• One side of the vehicle sitting lower than the other.
• Increased vibration through the rear of the vehicle.
• Poor rear suspension response.
• Visible cracking or deterioration of the rubber bushing.
• Rubber becoming compressed or permanently distorted.
• Spring plate contacting its cover or surrounding metalwork.
• Heavy corrosion or rust on the spring plate.
• Pitting, scaling or loss of material from the plate.
• Bent or physically damaged spring plate.
• Difficulty maintaining correct rear suspension alignment.

Some of these symptoms can also be caused by worn torsion bars, trailing-arm bushes, wheel bearings or other suspension components, so the complete rear suspension should be inspected before replacement.

Why Replacement Matters:
The spring plate forms a structural connection between the rear suspension and torsion bar.

If the plate becomes badly corroded, damaged or distorted, it may no longer transmit suspension loads correctly. Similarly, a deteriorated bushing can allow excessive movement at the mounting point.

Replacing a worn spring plate and bushing helps restore:

• Correct rear suspension movement.
• Consistent ride height.
• Improved rear-end stability.
• More predictable handling.
• Correct suspension geometry.
• Reduced knocking and rubbing noises.
• Better isolation of vibration.
• Reliable torsion-bar operation.

A sound spring plate assembly also helps prevent unnecessary loads from being transferred into surrounding suspension components.

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90133300307

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