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Porsche > 911 & 912 (1965-1989) > 911 1987-1989 3.2L G50 > Suspension Upgrades >

Anti Roll Sway Bar

Anti Roll Sway Bar

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Anti Roll Kit, Front and Rear. Porsche 911 G 78-89 - 91134370313, 91134370310, 91133370107, 91133370110, 91133370111 - E40-72-015-01-01, E40-72-015-01-10, E40-72-015-01-11
1
Anti Roll Kit, Front and Rear. Porsche 911 G 78-89
E40-72-015-01-11
Product Information
Product Information

Anti Roll Kit, Front and Rear

EIBACH FRONT 24mm ANTI-ROLL Kit

Front Sway Bar is Solid and 3 Way-Adjustable.

EIBACH REAR 25mm ANTI-ROLL Kit
Rear Sway Bar is Tubular and 2 Way-Adjustable.

Fits:
Porsche 911 G Carrera 1974-89

Description:
Manufactured from cold-formed steel alloy for precision performance, and finished with a long lasting red powder coat finish, the ANTI-ROLL-KIT comes complete with all mounting hardware.

• Performance Tuned Handling
• Further Reduce Body Roll
• Precision Engineered for PRO-KIT & Lowering Spring Kits
• Million-Mile Warranty

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Related, superseded, cross reference or alternative numbers for comparison.

E40-72-015-01-11
91134370313
91134370310
91133370107
91133370110
91133370111

The product you are viewing cross references to these numbers
Anti Roll Kit, Front. Porsche 911 G 78-89 - 91134370313, 91134370310 - E40-72-015-01-10
1
Anti Roll Kit, Front. Porsche 911 G 78-89
E40-72-015-01-10
Product Information
Product Information
EIBACH FRONT 24mm ANTI-ROLL Kit (Front Sway Bar Only)
Front Sway Bar is Solid and 3 Way-Adjustable.

eibach

Fits:
Porsche 911 G Carrera 1978-89

Description:
Manufactured from cold-formed steel alloy for precision performance, and finished with a long lasting red powder coat finish, the ANTI-ROLL-KIT comes complete with all mounting hardware.

• Performance Tuned Handling
• Further Reduce Body Roll
• Precision Engineered for PRO-KIT & Lowering Spring Kits
• Million-Mile Warranty

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Related, superseded, cross reference or alternative numbers for comparison.

E40-72-015-01-10
91134370313
91134370310

The product you are viewing cross references to these numbers
Anti Roll Kit, Rear. Porsche 911 G 78-89 - 91133370107, 91133370110, 91133370111 - E40-72-015-01-01
1
Anti Roll Kit, Rear. Porsche 911 G 78-89
E40-72-015-01-01
Product Information
Product Information
EIBACH REAR 25mm ANTI-ROLL Kit (Rear Sway Bar Only).
Rear Sway Bar is Tubular and 2 Way-Adjustable.

Fits:
Porsche 911 G Carrera 1978-89

Description:
• Performance Tuned Handling.
• Further Reduce Body Roll.
• Precision Engineered for PRO-KIT & SPORTLINE Performance Lowering Spring Kits.
• Part of the Eibach PRO-PLUS, PRO-SYSTEM-PLUS, SPORT-PLUS & SPORT-SYSTEM-PLUS.
• Million-Mile Warranty

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

E40-72-015-01-01
91133370107
91133370110
91133370111

The product you are viewing cross references to these numbers
Front and Rear QuickChange™ Blade Style Sway bar. Porsche 911 / 912 / 930 / 914 - 90134370303, 91434307500, 90134370301, 90134370302, 90134370303, 90134370304, 91134370306, 91134379202, 91134370310, 91134379203, 91134370313, 2270020, 2270022
3
Front and Rear QuickChange™ Blade Style Sway bar. Porsche 911 / 912 / 930 / 914
227002
Product Information
Product Information
Front QuickChange™ Blade Style Sway bar

1 kit required per car

elephantracing

Fits
Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1977 to 1989
Porsche 912 - 1966 to 1976
Porsche 914 - 1970 to 1976

Front and Rear QuickChange™ Blade Style Sway Bar System

Blade style adjustable sway bar (anti roll bar) system is the ultimate choice for performance and tuning. This superior-quality system delivers unique features and advantages that are without rival. It is simply the best.The blade style adjuster mechanism varies roll stiffness with the angle of the blade. Set it vertically for full-stiff, horizontal for full-soft, and intermediate angles for other stiffness levels.

Blade style adjustment offers advantages over traditional adjustable sway bars including faster adjustment and superior geometry.

The rear sway bars fit 66mm bolt spacing on the sway bar mounts as equipped on 1978-1989 911 cars. 1965-1977 cars can be upgraded to the later 66mm type mounts

Perfect Geometry

Fixed-length arms ensure the angle of the drop links are not changed with stiffness adjustment. Geometry and kinematic behavior is always perfect. The bar always rotates freely, with low-friction, and without binding in all adjustment positions.

Traditional sway bars adjust roll stiffness by changing the length of the lever arm, at the same time changing the angle of the drop link. This can cause poor force-transmission angles in some positions. The result can be binding, high-friction, and excessive load on the mounts to the chassis.

Lightweight

Hollow bar reduces weight.

Fast and Easy Adjustment

No need to jack up the car or remove the wheels. Reach under the car, loosen one bolt to rotate the blade type adjuster. The angle of the blade defines the stiffness.
Literally about 1 minute to adjust, faster with practice.Infinitely variable adjustment lets you dial in the precise roll stiffness.

For track cars this fast-adjustment can be invaluable when time in the pits or paddock is short. Adjusting traditional sway bars is a lengthy process – jack up car, remove wheels, adjust, re-install wheels.

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

227002
90134370303
91434307500
90134370301
90134370302
90134370303
90134370304
91134370306
91134379202
91134370310
91134379203
91134370313
2270020
2270022

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 23 products)
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About Anti Roll Sway Bar

Anti Roll Bars / Sway Bars – Improved Handling and Body Control

Anti roll bars, also known as sway bars, are suspension upgrade components designed to reduce body roll during cornering and improve overall vehicle stability. By linking the left and right sides of the suspension, anti roll bars resist excessive chassis movement, helping the car stay flatter through corners and delivering sharper, more predictable handling.

At Design911, our range of anti roll bars includes high-quality OE replacement and performance upgrade options from trusted suspension brands. Whether you’re refreshing worn factory components or upgrading for fast-road and track use, anti roll bars are one of the most effective ways to enhance handling without compromising ride comfort.

What Do Anti Roll Bars / Sway Bars Do?

Anti roll bars are torsion bars mounted across the suspension axle that control lateral body movement when cornering. Their main functions include:

  • Reducing body roll during turns
  • Improving cornering balance and grip
  • Enhancing steering response and driver confidence
  • Distributing load more evenly across the suspension

By limiting excessive chassis lean, sway bars allow tyres to maintain better contact with the road, improving traction and control.

Why Upgrade Your Anti Roll Bars?

Upgrading anti roll bars is a popular suspension modification because it offers:

  • Noticeable handling improvements with minimal impact on ride comfort
  • Better control during spirited driving or track use
  • Improved balance between front and rear suspension
  • Reduced understeer or oversteer when correctly matched

Performance anti roll bars are often adjustable, allowing fine-tuning of suspension balance to suit driving style, tyre choice and road conditions.

When Should You Replace or Upgrade Anti Roll Bars?

Anti roll bars should be replaced or upgraded when:

  • Factory suspension feels soft or unstable during cornering
  • Rubber bushes or mounting hardware are worn or damaged
  • Upgrading other suspension components such as springs or dampers
  • Preparing a vehicle for fast-road, track day or performance use

Replacing tired components or upgrading to performance sway bars restores precise handling and improves overall driving enjoyment.

At Design911, we supply anti roll bars and suspension upgrades that meet professional workshop standards and enthusiast expectations.

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