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Torsion Bar

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DISPLAYING 1 to 16 (of 19 products)
1 2
Special Order item
90134147500
Product Information
Product Information
Foam seal front torsion bar adjuster. 

porsche

Fits:
Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1975 to 1989

Click 'Zoom in' for large parts diagram.
Diagram ref no 21



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90134147500
90134147500

The product you are viewing cross references to these numbers
Special Offer
90134147500/1
Product Information
Product Information
Foam seal front torsion bar adjuster. 
Sold each - 2 required per car

Fits:
Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1975 to 1989

Diagram ref no 21



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Related, superseded, cross reference or alternative numbers for comparison.

90134147500
90134147500

The product you are viewing cross references to these numbers
1S166911F
Product Information
Product Information
Chrome Moly Light Weight Hollow Front Torsion Bar (SET OF 2)
- 21mm
- 22mm

Tighten up your suspension with these high precision, light weight, hollow torsion bars.

Fabricated from aircraft quality 4130 chrome moly steel, and heat treated for high strength and reliability.

Zinc plated with plugged ends for superior corrosion resistance.

Precision machined splined ends for a perfect fit.

Center less ground and gun drilled for a consistent spring rate.

Lighter weight compared to solid bars with an equivalent stiffness. Up to 3 lbs lighter per bar!

These are the highest quality bars on the market.

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Related, superseded, cross reference or alternative numbers for comparison.

1S166911F
1S166911F21
1S166911F22

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Special Offer
1S166911TR
Product Information
Product Information
Chrome Moly Light Weight Hollow Rear Torsion Bar

Fits:
Porsche 911 87-89 G50 Gearbox cars - Rear

Available in 5 sizes:
- 27mm
- 29mm
- 30mm
- 31mm
- 33mm

Tighten up your suspension with these high precision, light weight, hollow torsion bars.

Fabricated from aircraft quality 4130 chrome moly steel, and heat treated for high strength and reliability.

Zinc plated with plugged ends for superior corrosion resistance.

Precision machined splined ends for a perfect fit.

Center less ground and gun drilled for a consistent spring rate.

Lighter weight compared to solid bars with an equivalent stiffness. Up to 3 lbs lighter per bar!

These are the highest quality bars on the market.

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

1S166911TR
1S166911R

The product you are viewing cross references to these numbers
Special Offer
1S166911R
Product Information
Product Information
Light weight hollow rear torsion bar.  (SET OF 2)

Fits:
Porsche 911 65-86 Rear

Available in 7 sizes:

- 26mm
- 27mm
- 28mm
- 29mm
- 31mm
- 33mm

Tighten up your suspension with these high precision, light weight, hollow torsion bars.

Fabricated from aircraft quality 4130 chrome moly steel, and heat treated for high strength and reliability.

Zinc plated with plugged ends for superior corrosion resistance.

Precision machined splined ends for a perfect fit.

Centre less ground and gun drilled for a consistent spring rate.

Lighter weight compared to solid bars with an equivalent stiffness. Up to 3 lbs lighter per bar!

These are the highest quality bars on the market.

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

1S166911R
1S166911F21
91133310103
91133310203

The product you are viewing cross references to these numbers
209202
Product Information
Product Information
QuickChange™ Torsion Bars, FRONT
Sold per kit, 1 kit req'd per car.

Fits:
Porsche 911/912/930 1965-89
Porsche 914 1970-76

QuickChange Torsion Bars are Plated & Plugged and include a female threaded end that you can engage with a bolt to use as a handle for easier extraction / insertion.

Use the rears bars in combination with our QuickChange™ Spring Plate products for fast torsion bar swapping and re-indexing. QuickChange™ Torsion Bars can be extracted through the QuickChange™ Spring Plate without removing any bolts. Alignment settings are maintained. You don't even need to remove the wheel from the car. Changing torsion bars is a 5 minute per side operation!

A QuickChange™ Insert is available separately for converting your existing hollow torsion bars.

QuickChange™ Torsion Bars make it easy to dislodge a stuck bar, and thereby offer benefits even when used on the front and with factory spring plates (factory spring do not allow the bars to be extracted without removing the plates).

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

209202
2061003
90134310112
90134310114

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Special Offer
21021
Product Information
Product Information
QuickChange™ Torsion Bars, REAR
Sold per kit, 1 kit req'd per car.

elephantracing

Fits:
for G50 Transmission
Porsche 911 / 930 1987-89

QuickChange Torsion Bars are Plated & Plugged and include a female threaded end that you can engage with a bolt to use as a handle for easier extraction / insertion.

Use the rears bars in combination with our QuickChange™ Spring Plate products for fast torsion bar swapping and re-indexing. QuickChange™ Torsion Bars can be extracted through the QuickChange™ Spring Plate without removing any bolts. Alignment settings are maintained. You don't even need to remove the wheel from the car. Changing torsion bars is a 5 minute per side operation!

A QuickChange™ Insert is available separately for converting your existing hollow torsion bars.

QuickChange™ Torsion Bars make it easy to dislodge a stuck bar, and thereby offer benefits even when used on the front and with factory spring plates (factory spring do not allow the bars to be extracted without removing the plates).

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

21021
2102126
2102127
2102128
2102129
2102130
2102131
2102132
2102133
2102134
2102136
2102138
91133311500
91133311502
91133311600
91133311602
93033311501
93033311502
93033311601
93033311602

The product you are viewing cross references to these numbers
21020
Product Information
Product Information
QuickChange™ Torsion Bars, REAR
Sold per kit, 1 kit req'd per car.

elephantracing

Fits:
Porsche 911/912/930/914 '65-'86
Porsche 356 A/B '48-'65 (Pre-A, C and CS Read Notes),
Porsche 944/968/924 '76-'95 w/ QuickChange Spring Plates

PLEASE NOTE: sizes 34mm and 36mm are not applicable for 944, 968 and 924 models)

QuickChange Torsion Bars are Plated & Plugged and include a female threaded end that you can engage with a bolt to use as a handle for easier extraction / insertion.

Use the rears bars in combination with our QuickChange™ Spring Plate products for fast torsion bar swapping and re-indexing. QuickChange™ Torsion Bars can be extracted through the QuickChange™ Spring Plate without removing any bolts. Alignment settings are maintained. You don't even need to remove the wheel from the car. Changing torsion bars is a 5 minute per side operation!

A QuickChange™ Insert is available separately for converting your existing hollow torsion bars.

QuickChange™ Torsion Bars make it easy to dislodge a stuck bar, and thereby offer benefits even when used on the front and with factory spring plates (factory spring do not allow the bars to be extracted without removing the plates).

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

21020
2102026
2102027
2102028
2102029
2102030
2102031
2102032
2102033
2102034
2102036
2102038
90133310105
90133310115
90111110106
90133310205
90133310210
90133310206
91133310109
91133310116
91133310209
91133310216
91133310103
91133310113
91133310203
91133310213
91133310111
91133310114
91133310211
91133310214
91133310112
91133310115
91133310212
91133310215
311511115D
311511116D
94433311500
94433311600
94433310300
94433310400
95133310330
95133310430

The product you are viewing cross references to these numbers
Special Order item
93033101002GRV
Product Information
Product Information
Rear Axle Cross Tube.
porsche

Fits:
Porsche 911 Turbo 1978-89

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

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93033101002GRV
93033101002GRV
93033101002

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Special Order item
90150407900
Product Information
Product Information
Rear torsion bar cover with gasket, bracket and nut. 

Sold individually; x2 required per vehicle. 

Fits:
Porsche 911 1965-86
Porsche 911 (930) Turbo 1975-86

Porsche 912 1966-69
Porsche 912E 1976

Diagram ref. 33.

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90150407900
90150407900

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Special Order item
90133315300
Product Information
Product Information
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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Related, superseded, cross reference or alternative numbers for comparison.

90133315300
90133315300
1652250200

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Special Offer
90133315300/1
Product Information
Product Information
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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Related, superseded, cross reference or alternative numbers for comparison.

90133315300
90133315300

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Special Order item
90134310
Product Information
Product Information
Torsion bar 19mm. 

porsche

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

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

90134310
90134310112
90134310114
90134310212
90134310214

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Special Order item
91134103702
Product Information
Product Information
Torsion bar clamp, LEFT.

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

Diagram ref no 16

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

91134103702
90134115900
91134103702

The product you are viewing cross references to these numbers
Special Offer
91134103702/1
Product Information
Product Information
Torsion bar clamp, LEFT.

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

Diagram ref no 16

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

91134103702
90134115900
91134103702

The product you are viewing cross references to these numbers
Special Order item
90134115900
Product Information
Product Information
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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Related, superseded, cross reference or alternative numbers for comparison.

90134115900
90134115900

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DISPLAYING 1 to 16 (of 19 products)
1 2
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About Torsion Bar

Porsche Torsion Bars | Design911 Suspension Components for Ride Height, Balance & Handling Precision

Torsion bars are an integral part of Porsche’s classic suspension design, providing spring resistance that supports the vehicle’s weight and absorbs road irregularities. Acting as the main spring element, they twist under load to control suspension movement and maintain ride height. Properly functioning torsion bars ensure balanced handling, consistent alignment, and the smooth, composed driving feel that defines Porsche engineering.

At Design911, we offer a wide range of torsion bars for both front and rear suspension setups. Each component is precision-engineered from high-tensile spring steel or performance-grade materials to provide durability, accuracy, and consistent performance. Whether for restoration, suspension servicing, or performance tuning, our torsion bars help restore and enhance your Porsche’s suspension dynamics.

What Do Torsion Bars Do?

Torsion bars act as load-bearing springs within the suspension system. When the wheels move up and down, the bars twist along their axis to absorb impact and maintain control.

Core Functions:
• Provide spring resistance to support vehicle weight.
• Maintain correct ride height and chassis balance.
• Control suspension compression and rebound during driving.
• Distribute load evenly for predictable handling.
• Enable fine-tuning of suspension stiffness and ride comfort.

With well-calibrated torsion bars, your Porsche delivers improved grip, stability, and cornering precision — both on the road and track.

Why Do Torsion Bars Fail or Degrade?

Over time, torsion bars endure extreme twisting forces, environmental exposure, and wear, which can reduce their effectiveness and strength.

Common Causes of Failure Include:
• Metal fatigue from repeated flexing and torsional stress.
• Corrosion or pitting weakening the bar’s surface.
• Cracks developing from overloading or impact.
• Incorrect ride height adjustments causing uneven stress.
• Aging bushings and mounts reducing alignment accuracy.

When torsion bars wear or crack, symptoms include uneven ride height, unstable handling, and unpredictable suspension response — all clear signs replacement is required.

Why Replace or Upgrade Your Porsche Torsion Bars?

Replacing tired or damaged torsion bars restores suspension strength, ride height accuracy, and overall handling precision. Performance torsion bars can also improve chassis stiffness for track use or spirited driving.

Key Benefits:
• Restores proper suspension balance and ride height.
• Improves cornering stability and handling predictability.
• Reduces body roll and uneven weight distribution.
• Available in standard and performance-rated diameters.
• Fits Porsche 911, 912, 914, 924, 944, and classic models.
• Perfect for restorations, tuning, or performance upgrades.

Design911’s Porsche torsion bars combine superior material quality with exact fitment — ensuring your suspension remains stable, balanced, and ready for precision driving.

Highlights

• Premium Porsche torsion bars and suspension components.
• Precision-machined from high-tensile spring steel.
• Restores suspension stiffness, balance, and ride height.
• Available in road, sport, or track specifications.
• Compatible with classic and performance Porsche models.
• Ideal for restoration, maintenance, or suspension tuning.

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