Torsion Bar

High-performance Sway-A-Way solid rear torsion bar set for Porsche 911 models equipped with the G50 transmission from 1987 to 1989. Available in 26 mm, 27 mm, 28 mm and 29 mm rates. Designed as a direct suspension upgrade, these solid torsion bars allow the rear spring rate of the classic Porsche 911 suspension to be increased without converting the vehicle to coil springs.
SET OF 2, One pair is required per vehicle

Fits:
Porsche 911 1987-1989 3.2L G50
Porsche 911 1978-1989 3.3L Turbo (930)

Always confirm that your vehicle uses the G50 transmission and corresponding rear suspension configuration before ordering.

Available in 26 mm, 27 mm, 28 mm and 29 mm diameters, the range provides several levels of rear suspension stiffness, from a relatively mild fast-road upgrade through to a much firmer track-focused setup.

Increasing the torsion-bar diameter raises the effective spring rate, helping reduce rear suspension movement, body roll and squat during acceleration. This can provide a more controlled and responsive chassis, particularly when combined with suitable front torsion bars, dampers, anti-roll bars and performance tyres.

The solid construction offers a straightforward, durable solution for owners looking to upgrade the suspension without the additional cost associated with lightweight hollow torsion bars.

Available Torsion Bar Rates

 26 mm Solid (performance street / light-track upgrade)

The 26 mm solid rear torsion bar is the mildest performance option in this range. It provides increased rear suspension support while remaining particularly suitable for a road-focused Porsche where improved chassis control is wanted without moving directly to a substantially stiffer competition setup.

Recommended for:
•  Performance road cars
•  Fast-road use
•  Mild suspension upgrades
•  Uprated dampers
•  Cars using modern performance tyres
•  Occasional track-day use

Installation & Performance Notes:
•  System Balance: Suspension tuning is about ratios. If you increase the rear bar size to 26mm, you should ensure your front torsion bars are matched accordingly (typically paired with 21mm or 22mm front bars) to prevent excessive oversteer.
•  Indexing and Ride Height: Setting the ride height on a 911 is done by "clocking" the splines on the torsion bar. Because the 26mm bar is stiffer than stock, the car will sit higher than it did with the factory bars if indexed at the same angle.
•  Bushings: This is the perfect time to inspect or replace your rear spring plate bushings. High-performance bars work best when paired with fresh polyurethane or Neatrix bushings to eliminate "stiction."
•  Lubrication: Clean the splines thoroughly and apply a generous amount of waterproof, anti-seize grease to both ends of the bar. This prevents the bars from "creaking" and ensures they won't seize in the tube for future adjustments.

 27 mm Solid

The 27 mm solid rear torsion bar provides a more noticeable increase in rear spring rate. It is a strong choice for drivers looking for a more responsive chassis while retaining versatility for both road and occasional circuit use.

Recommended for:
•  Fast-road Porsche 911s
•  Clubsport-style builds
•  Road and track-day cars
•  Autocross
•  Performance suspension packages
•  Cars using uprated front torsion bars and dampers

The 27 mm Sway-A-Way bar is specifically positioned as a high-performance rear suspension upgrade for Porsche 911 applications.

Technical Setup & Performance Notes:
•  Chassis Balance: A 27mm rear bar is quite stiff. It is almost always paired with 22mm front torsion bars to maintain a neutral handling balance. Pairing 27mm rears with stock small-diameter fronts may result in excessive oversteer (the tail sliding out).
•  Damping Requirements: Due to the higher spring rate, you will likely need to upgrade to "Sport" valved dampers (such as Bilstein Clubsport or custom-valved Koni) to control the faster rebound speeds of these bars.
•  Ride Quality: While still streetable, the 27mm bar will transmit more road vibration than stock. It is perfect for canyon carving and track use but may feel firm over city potholes.
•  Weight Comparison: If choosing the Tubular option, you effectively reduce "unsprung" weight. This allows the suspension to react faster to bumps, keeping the tire in better contact with the pavement compared to a heavier solid bar of the same rate. 

  28 mm Solid  (competition / heavy performance)

The 28 mm solid rear torsion bar moves further toward a dedicated performance suspension setup. The increased spring rate helps provide stronger resistance to suspension compression and body movement during aggressive cornering and acceleration.

Recommended for:
•  Aggressive fast-road use
•  Regular track days
•  Autocross
•  Lightweight performance builds
•  High-grip tyre packages
•  Cars with appropriately matched performance dampers

A 28 mm rear bar should be considered as part of the complete suspension package rather than as an isolated upgrade.

Critical Installation & Performance Notes:
•  Chassis Balance: A 28mm rear bar is extremely stiff. To avoid dangerous snap-oversteer, these must be paired with upgraded front torsion bars (typically 23mm or 24mm fronts).
•  Damping Requirements: Standard street shocks (like Bilstein HD) will be completely overwhelmed by this spring rate. You must use custom-valved racing dampers with high rebound control to prevent the car from bouncing uncontrollably over bumps.
•  Mounting & Bushings: At this performance level, factory rubber bushings will deflect excessively. We highly recommend upgrading to spherical bearings or bronze bushings to ensure the torsion bar can move freely without binding.
•  Ride Quality: This setup is very firm. While technically street-legal, it is optimized for smooth race tracks and high-speed canyon carving. You will feel every imperfection in the road surface. 

 29 mm Solid  (full competition grade)

The 29 mm solid rear torsion bar is the stiffest option in this range and is aimed primarily at more serious track and competition-oriented builds.

It provides substantial rear roll stiffness and resistance to acceleration squat, making it suitable for cars where maximum suspension control takes priority over standard road comfort.

The 29 mm solid rear bar is a competition-focused option for highly developed performance applications.

Recommended for:
•  Track-focused Porsche 911s
•  Competition builds
•  Motorsport applications
•  High-grip tyre setups
•  Lightweight race cars
•  Cars using matched competition dampers
•  Vehicles with complementary front spring rates

Critical Competition Notes:
•  Chassis Balance: A 29mm rear bar is exceptionally rigid. To prevent dangerous snap-oversteer, it is mandatory to pair these with appropriately stiff front bars (typically 23mm to 24mm).
•  Damping Requirements: Standard or "Sport" street shocks are completely insufficient for this rate. You must use professional, custom-valved racing dampers with significant rebound control to manage the energy of a 29mm bar.
•  Bushings & Bearings: We strongly recommend replacing rubber bushings with spherical bearings or high-durometer bronze bushings. Factory rubber will simply collapse under the forces transmitted by a 29mm bar, leading to unpredictable handling.
•  Ride Quality: This setup is not recommended for street use. The ride will be extremely harsh, and the high spring rate can put significant stress on factory chassis mounting points if they are not reinforced.


Why Upgrade the Rear Torsion Bars?

The classic Porsche 911 uses torsion bars as its suspension springs.

Rather than compressing like a conventional coil spring, the torsion bar twists along its axis as the wheel moves through its suspension travel.

Increasing the torsion-bar diameter increases resistance to twisting and therefore raises the suspension spring rate.

Benefits of an appropriately selected larger rear torsion bar can include:
•  Reduced body roll
•  Reduced rear-end squat during acceleration
•  Improved chassis response
•  Increased suspension control
•  Better support for modern performance tyres
•  Improved stability during fast cornering
•  More predictable suspension movement on track.

Solid Construction

 These Sway-A-Way torsion bars use a conventional solid construction.

Solid torsion bars offer several advantages:
•  Simple and proven construction
•  Excellent torsional strength
•  Consistent spring characteristics
•  Durable performance
•  Competitive pricing compared with tubular alternatives
•  Suitable for both road and competition use

For customers primarily interested in increasing spring rate rather than reducing suspension component weight, the solid-bar range offers an excellent performance solution.

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RS21

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High-performance Sway-A-Way solid rear torsion bars for the Porsche 911 1965-86, designed as a direct replacement and performance upgrade for the original rear torsion bars. The Sway-A-Way solid range is available from a relatively road-friendly 22 mm through to the much firmer 30 mm competition specification, making it possible to tailor the suspension to the vehicle's weight, tyres, dampers and intended use.
SET OF 2, One pair is required per vehicle.

Fits:
Porsche 911 / 912: 1965 through 1986 

 * Rear axle application using the 24 11/16-inch short torsion-bar configuration
 * These bars Does not fit 1987–1989 Porsche 911 models. The G50-equipped cars require longer torsion bars and have a different spline configuration.


Designed as direct replacements for the original rear torsion bars, these performance bars provide a straightforward way to restore or increase the rear suspension spring rate while retaining the classic Porsche torsion-bar suspension layout.

Available Torsion Bar Sizes

  22 mm (Stock / Mild Upgrade)

The 22 mm solid torsion bar is the mildest option in the range and is particularly suitable for standard or lightly modified road cars. It provides a factory-style or mild performance spring rate while offering the benefits of a new, high-quality replacement torsion bar.

Recommended for:
 •  Standard road cars
 •  Restoration projects
 •  Touring use
 •  Mild suspension upgrades
 •  Cars where ride comfort remains important

A strong choice when replacing tired original torsion bars without moving to a substantially firmer suspension setup.

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  1987–1989 Porsche 911 (G50): This SKU will not fit the later G50-equipped 911s. Those models utilize a significantly longer torsion bar (approx. 26") and different spline configurations.
•  Performance Note: A 22mm bar is a standard replacement for many early Porsche models. If you are building a track-oriented 911 or a high-horsepower VW, you may require a larger diameter (24mm–26mm) to handle the increased cornering loads.

  23 mm Solid  (Performance Upgrade)

The 23 mm solid torsion bar provides a noticeable increase in rear spring rate compared with a typical 22 mm setup. It offers improved rear suspension support while remaining suitable for performance-oriented road use.

Recommended for:
 •  Fast-road Porsche 911s
 •  Weekend sports cars
 •  Mild performance builds
 •  Uprated dampers
 •  Occasional autocross or track use

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This part will not fit 1987–1989 Porsche 911 models equipped with the G50 transaxle, which require longer bars and have different spline counts.
•  Stiffening Note: Moving to 23mm from a stock 22mm bar provides a noticeable increase in spring rate. While excellent for spirited driving, ensure your shock absorbers are valved to handle the increased rebound speed.

  24 mm Solid  (Sport / Street Upgrade)

The 24 mm solid torsion bar moves further into performance territory, providing increased resistance to rear suspension compression and acceleration squat.

Recommended for:
•  Fast-road cars
•  Autocross
•  Occasional track use
•  Cars with uprated dampers
•  Performance suspension builds
•  Modern high-grip tyres

This is a versatile choice for owners looking for a meaningful handling upgrade while retaining road usability.

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU is incompatible with 1987–1989 Porsche 911 models. Those vehicles utilize a longer torsion bar and different spline counts specific to the G50 transaxle.
•  Significant Stiffness Increase: A 24mm bar is roughly 40% stiffer than a stock 22mm bar. This upgrade is highly recommended for autocross or spirited street driving but may require upgraded shock valving to control the increased spring frequency.

  25 mm Solid  (Performance / Race Upgrade)

The 25 mm solid rear torsion bar provides a stronger increase in spring rate and is well suited to more serious performance road and track-day applications.

Recommended for:
•  Aggressive fast-road use
•  Track-day cars
•  Autocross
•  Higher-powered engines
•  Uprated front torsion bars
•  Performance-valved dampers

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  1987–1989 Porsche 911 (G50): These bars will not fit 911 models equipped with the G50 transaxle. The G50 cars utilize longer torsion bars (~26") and a different spline count.
•  Aggressive Stiffness: A 25mm bar is significantly stiffer than the factory 22mm or 23mm bars. This upgrade will noticeably firm up the ride quality and typically requires performance-valved shock absorbers to properly manage the increased spring frequency.

  26 mm Solid  (Competition / Heavy-Duty Upgrade)

The 26 mm solid torsion bar provides substantial rear suspension support and moves the chassis setup further toward track use.

Recommended for:
•  Fast-road / track builds
•  Regular track days
•  Lightweight Porsche 911s
•  High-grip tyres
•  Cars using matched performance dampers

At this level, front and rear suspension balance becomes increasingly important.

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU will not fit 1987–1989 Porsche 911 models. The G50-equipped cars require longer torsion bars (~26") and use a different spline configuration.
•  Extreme Stiffness Warning: A 26mm bar is roughly 95% stiffer than a factory 22mm bar. This will result in a very rigid ride quality. It is highly recommended to pair these with race-valved shock absorbers and reinforced mounting points to prevent chassis fatigue.

  27 mm Solid  (Extreme Performance Upgrade)

The 27 mm solid rear torsion bar is a performance-focused option offering strong resistance to body roll and rear-end squat.

Recommended for:
•  Track-focused cars
•  Autocross
•  Competition-inspired builds
•  Lightweight performance cars
•  High-power applications
•  Appropriately matched front torsion bars

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU is incompatible with 1987–1989 Porsche 911 models. The G50-equipped cars utilize significantly longer torsion bars and have a different spline configuration.
•  Track-Only Stiffness Warning: A 27mm bar is over 125% stiffer than a factory 22mm bar. This results in an incredibly rigid ride. It is highly recommended for dedicated track or competition use only, as the stiffness can cause significant chassis stress and "skipping" on uneven street surfaces without professional-grade dampers.

  28 mm Solid  (Extreme Competition Upgrade)

The 28 mm solid torsion bar is a high-rate competition-oriented option. It provides significantly increased rear spring stiffness and is designed for vehicles where maximum suspension control is more important than standard road comfort.

Recommended for:
•  Dedicated track cars
•  Motorsport applications
•  Race-prepared Porsche 911s
•  High-grip tyre packages
•  Competition dampers
•  Lightweight builds

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU is incompatible with 1987–1989 Porsche 911 models. Those vehicles utilize significantly longer torsion bars (~26") and different spline counts specific to the G50 transaxle.
•  Race-Only Stiffness: A 28mm bar is over 160% stiffer than a factory 22mm bar. This results in an incredibly rigid ride. It is recommended for dedicated track, autocross, or drag racing use only; use on street surfaces may cause excessive chassis stress without reinforced mounting points.

  29 mm Solid   (Extreme Competition Upgrade)

The 29 mm solid rear torsion bar provides a very high spring rate for serious competition-oriented suspension setups.

Recommended for:
•  Race cars
•  Motorsport
•  High-horsepower track builds
•  High-grip competition tyres
•  Cars with fully developed suspension packages

Professional chassis setup is strongly recommended with this spring rate.

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU is incompatible with 1987–1989 Porsche 911 models. Those vehicles utilize significantly longer torsion bars (~26") and different spline counts specific to the G50 transaxle.
•  Race-Only Stiffness Warning: A 29mm bar is over 200% stiffer than a factory 22mm bar. This results in an incredibly rigid ride quality. It is strictly recommended for dedicated track, drag racing, or heavy-duty competition use; street use may cause excessive chassis stress without reinforced mounting points and specialized damping.

  30 mm Solid   (Ultimate Competition / Weight Reduction)

The 30 mm solid torsion bar is the stiffest option in this range and is intended primarily for dedicated competition applications. It provides very high resistance to suspension compression, roll and acceleration squat.

Recommended for:
•  Dedicated race cars
•  Motorsport builds
•  High-power competition Porsche 911s
•  Cars using competition dampers
•  Highly developed chassis setups
•  Applications where road comfort is not a priority

Critical Fitment Exceptions:
Even if your car falls into the year ranges above, you must ensure it does not fall under these exceptions:
•  G50 Transmission Porsche 911: This SKU is incompatible with 1987–1989 Porsche 911 models. The G50-equipped cars require longer torsion bars and have a different spline configuration.
•  Maximum Stiffness Warning: A 30mm spring rate is roughly 250% stiffer than a factory 22mm bar. Even with the weight savings of a tubular design, the ride will be extremely rigid. This setup is strictly recommended for dedicated track vehicles, heavy V8-conversion sand rails, or professional-grade drag racing only.


Why Upgrade Rear Torsion Bars?

The torsion bars are the primary springs in the classic Porsche 911 rear suspension.

Increasing their diameter raises the spring rate, which can provide:
•   Reduced body roll
•   Reduced rear-end squat under acceleration
•   Improved rear suspension control
•   More immediate chassis response
•   Greater stability during fast cornering
•   Better support for modern performance tyres
•   Improved track performance

The correct size depends heavily on the complete vehicle specification.

Solid Construction

These Sway-A-Way torsion bars use a traditional solid steel construction.

Solid torsion bars offer:
•   Proven design
•   High torsional strength
•   Excellent durability
•   Predictable spring characteristics
•   Wide range of available rates
•   Excellent value compared with tubular alternatives
•   Suitability for both road and competition applications

For customers who prioritise spring rate, durability and value rather than the weight saving of hollow bars, the solid range is an excellent choice.

Precision Manufacturing

Sway-A-Way torsion bars are manufactured to provide consistent spring performance under repeated suspension loading.

Construction features include:
•   High-strength alloy steel
•   Precision centreless grinding
•   Controlled heat treatment
•   Consistent outside diameter
•   High fatigue resistance
•   Protective powder-coated finish

These manufacturing processes help ensure predictable suspension behaviour and long service life.

Related reference numbers
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RS11

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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

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90133110700

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Spacer ring for rear axle
OE Match spacer ring for the rear axle on Porsche 911 models from 1965 to 1977. This replacement rear axle spacer helps support correct component spacing, alignment, and assembly within the rear hub / axle area.
Sold individually

Fits:
Porsche 911 2.0-3.0  01/1963 - 07/1977
Porsche 912 1.6   01/1965 - 02/1970

Diagram ref no 32

The spacer ring provides the required spacing between rear axle components, helping ensure the hub, bearing, or related axle parts are correctly positioned when assembled. Correct spacing is important for reliable rear axle operation, bearing support, and drivetrain alignment.

Functions
•  Replaces the rear axle spacer ring
•  Provides correct spacing within the rear axle assembly
•  Helps support rear hub and bearing alignment
•  Assists with correct rear axle component positioning
•  Suitable for rear hub, bearing, or axle service
•  Replaces worn, damaged, corroded, missing, or previously removed spacer rings
•  OE Match replacement for Porsche 911 rear axle repair.

Why Replace This Part?
Rear axle spacer rings can wear, corrode, distort, become damaged, or be lost during rear hub or bearing service. An incorrect, worn, or missing spacer may affect component alignment, bearing support, rear axle assembly, or drivetrain reliability. Replacing the spacer ring helps ensure the rear axle is assembled correctly.

When to Replace This Part
•   Rear axle or hub assembly is being serviced
•   Rear wheel bearing work is being carried out
•   The original spacer ring is worn, corroded, distorted, damaged, or missing
•   Rear axle components have been removed for repair
•   Correct component spacing must be restored
•   The vehicle is undergoing Porsche 911 drivetrain or suspension restoration
•   Preventative replacement is required during rear axle overhaul.

Where it fits on the car
This spacer ring fits within the rear axle / rear hub assembly on Porsche 911 models from 1965 to 1977. Exact position depends on model year and rear axle layout.

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90133110700

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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

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90133315300

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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

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90133315300

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Torsion bar 19mm. 



Fits:
Porsche 911/911S 1965-67
Porsche 911 S/TU/L 1968
Porsche 911 T/E/S 1969
Porsche 911 T/S 1970-73
Porsche 911 E 1970-73
Porsche 911 CARRERA 2.7L 1970-73
Porsche 912 1965-69
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 34

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90134310

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Torsion bar clamp, LEFT.

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Diagram ref no 16

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91134103702

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Torsion bar clamp, LEFT.

Fits:
Porsche 911 1974-89
Porsche 911 (930) Turbo 1975-89

Diagram ref no 16

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91134103702

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Torsion bar protective clamp.

Fits:
Porsche 911 1965-73 Left or Right Side
Porsche 911 1974>> Right Side only
Porsche 911 (930) Turbo 1975-89 Right Side only

Diagram ref no 16

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90134115900

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Torsion Bar Protective Clamp 
Sold each

Maintain the integrity of your classic Porsche suspension with this OE Match Torsion Bar Protective Clamp. Manufactured to the original factory specification, this is designed to securely retain and protect the torsion bar assembly, ensuring reliable operation and long-term durability.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)  Left or Right Side
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  Left or Right Side
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera  Right Side only
• Porsche 911 1978-1983 3.0L / SC  Right Side only
• Porsche 911 1984-1986 3.2L  Right Side only
• Porsche 911 1987-1989 3.2L G50  Right Side only
• Porsche 911 1975-1977 3.0L Turbo (930)  Right Side only
• Porsche 911 1978-1989 3.3L Turbo (930)  Right Side only

Diagram ref no 16

Although small, the torsion bar protective clamp is an important suspension component that helps keep the torsion bar correctly positioned while protecting surrounding components from movement and damage. Whether you're carrying out a complete suspension rebuild or replacing corroded original hardware, this OE Match replacement delivers factory-style fit and dependable performance.

What Does the Torsion Bar Protective Clamp Do?

The torsion bar protective clamp forms part of the rear suspension assembly.

Its primary functions include:

• Securing and protecting the torsion bar assembly.
• Helping retain the torsion bar in its correct position.
• Supporting correct alignment of suspension components.
• Reducing unwanted movement within the suspension assembly.
• Protecting adjacent components from wear caused by vibration.
• Contributing to the long-term reliability of the torsion bar system.

Using the correct clamp helps ensure the suspension functions as Porsche originally intended.

Why Does the Torsion Bar Protective Clamp Need Replacing?

After decades beneath the vehicle, the original clamp is exposed to harsh environmental conditions.

Common causes of deterioration include:

• Corrosion from road salt and moisture.
• Surface rust weakening the metal.
• Damage during suspension disassembly.
• Distortion caused by previous removal.
• Fatigue from years of vibration and road use.
• General ageing of original hardware.

A damaged or corroded clamp may no longer provide the correct support for the torsion bar assembly during suspension servicing or restoration.

When Should It Be Replaced?

Replacement is recommended when:

• Carrying out a torsion bar replacement.
• Rebuilding the rear suspension.
• The original clamp is corroded or damaged.
• Suspension components have been removed for servicing.
• Restoring the vehicle to factory specification.
• Completing a concours-quality restoration.
• Replacing worn or ageing suspension hardware.

Replacing original suspension hardware during a rebuild helps ensure reliable fitment and long-term durability.

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90134115900

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Torsion Bar Rubber Mount Front.
Grommet for stabiliser bar, front, Ø13mm
(need 2 per car).



Fits:
Porsche 911/912 1965-67
Porsche 911/912 1968 USA

Click 'Zoom in' to display fitment diagram - Ref No 36

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90134379201

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Torsion bar rubber mount, Front.
Grommet for stabiliser bar, front, Ø13mm
(need 2 per car).



Fits:
Porsche 911/912 1965-67
Porsche 911/912 1968 USA

Click 'Zoom in' to display fitment diagram.
Diagram ref no 36

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90134379201

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Torsion bar rubber mount Front.
Sold each, (need 2 per car).

Fits:
Porsche 911S 1965-67
Porsche 911S 1968 USA
Porsche 911S 1969
Porsche 911S / Carrera 2.7L / 911T/E / 911T-K 1970-73
Porsche 914 1970-76

Diagram ref no 23

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90134379202

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Torsion bar rubber mount, Front.
Sold individually (two are required, one for each side).
OE Match replacement — engineered to the same specifications as the original Porsche part. This rubber mount (or bushing) supports the front torsion (stabiliser) bar by clamping around it and anchoring it to the chassis.

Fits:
Porsche 911S 1965-67
Porsche 911S 1968 USA
Porsche 911S 1969
Porsche 911S / Carrera 2.7L / 911T/E / 911T-K 1970-73
Porsche 914 1970-76

Diagram Ref No 23

Torsion bar rubber mount isolates the torsion bar from direct metal-to-metal contact, reducing vibration, noise, and wear. The mount allows controlled movement of the bar while ensuring the suspension geometry and roll control forces are correctly applied. It helps maintain proper chassis stiffness and ensures smooth, consistent handling.

Why replacement matters:
• Over time, the rubber in the mount degrades due to heat, age, compression, and dynamic loads. Cracks, flattening, or deterioration of material is common in older cars.
• A worn mount allows excessive play, leading to clunks, squeaks, imperfect roll control, or erratic handling.
• It can transmit unwanted vibration into the chassis or cabin when the torsion bar flexes under loads.
 Replacing with a high-quality OE-Match part restores the original precision, reducing noise and restoring proper suspension behaviour.
• Because these mounts support the torsion bar’s leverage on the chassis, a failure or poorly fitting mount can compromise handling stability.

Be sure to confirm the bar diameter to match the correct mount size.

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90134379202

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Torsion bar rubber sleeve INNER without rim . Rear axle.

Outer dia: 69mm
Inner dia: 48mm
Thickness: 31mm

Fits:
Porsche 356 pre-A / A  1950-1959
Porsche 356 B / C 1960-1965 (chassis >>131 720, >>154 229, >>88 663)

Porsche 911/912 1965-1967 (up to chassis #307325)

For 356 Pre-A, A, and B, 4 are required w/original covers, and 2 are required w/replacement covers. For all 356C models, 2 are required).

Diagram ref no 36

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