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

Anti Roll Bar

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Titanium Rear Anti-Roll Bar Kit. Porsche 911 1969-89

A003H6501

Product Information

Titanium Rear Anti-Roll Bar Kit

Upgrade the rear suspension performance of your classic Porsche 911 with this lightweight Titanium Rear Anti-Roll Bar Kit, engineered specifically for long wheel base Porsche 911 models up to 1989.

Manufactured from aerospace-grade titanium, this advanced rear anti-roll bar system is designed to reduce weight, improve chassis balance, and enhance rear-end stability during spirited road driving and motorsport use.

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)

Kit Contents
• 1 x titanium rear anti-roll bar
• 2 x rear anti-roll bar lever arms
• 2 x rear anti-roll bar bushes
• 2 x rear anti-roll bar mounting brackets
• 2 x rear anti-roll bar drop-links

The titanium rear anti-roll bar measures 22mm and delivers a stiffness rating equivalent to a solid 18mm bar, providing improved body control and sharper handling characteristics while maintaining lightweight performance benefits.

To further optimise suspension efficiency, the anti-roll bar lever arms have been completely redesigned and precision-manufactured from lightweight aluminium using topological optimisation techniques. This process maximises rigidity and strength while significantly reducing overall component weight.

Compared to factory steel suspension components, this kit delivers substantial reductions in unsprung and rotational mass, improving suspension response, steering precision, and overall chassis dynamics.

Ideal for lightweight restorations, fast road builds, and track-focused Porsche 911 projects.

Key Features

• Lightweight titanium rear anti-roll bar kit
• Suitable for Porsche 911 long wheel base models up to 1989
• Aerospace-grade titanium anti-roll bar construction
• 22mm titanium rear anti-roll bar
• Equivalent stiffness rating to a solid 18mm bar
• Lightweight aluminium anti-roll bar lever arms
• Topologically optimised lever arm design for reduced weight and increased rigidity
• Significant reduction in suspension component weight
• Improves rear chassis balance and body control
• Suitable for road, fast road, and motorsport applications

Lightweight Suspension Performance Benefits

Reducing suspension mass improves handling precision, chassis response, and overall driving dynamics.

Weight Comparison – Rear Anti-Roll Bar

• Steel Anti-Roll Bar: 2.05kg
• Titanium Anti-Roll Bar: 0.84kg

Weight Comparison – Lever Arms

• Steel Lever Arms: 4.4kg
• Aluminium Lever Arms: 1.8kg

Benefits include:
• Reduced unsprung weight
• Improved rear suspension response
• Sharper chassis control
• Enhanced cornering balance
• Greater suspension efficiency

The result is a more agile and responsive Porsche driving experience.

Aerospace-Grade Titanium Engineering

The rear anti-roll bar is manufactured from aerospace-grade titanium for maximum strength, lightweight performance, and long-term durability.

Titanium offers:
• Exceptional strength-to-weight ratio
• High resistance to corrosion
• Reduced suspension weight
• Motorsport-grade durability
• Improved chassis performance

Ideal for road, fast road, and track-focused Porsche applications.

Advanced Aluminium Lever Arm Design

The included aluminium lever arms have been topologically optimised to remove unnecessary material while retaining maximum structural integrity.

This advanced design process provides:
• Reduced component weight
• Increased rigidity and strength
• Improved suspension precision
• Enhanced durability under load

Custom Drop-Link Compatibility

Please specify whether drop-links are required for:
• Steel rear suspension arms
or
• Aluminium rear suspension arms

This ensures correct fitment for your specific Porsche 911 setup.

Why Upgrade to a Titanium Rear Anti-Roll Bar?

Factory steel anti-roll bars are heavier and less optimised for modern performance driving.

This upgrade provides:
• Reduced rear suspension weight
• Improved body roll control
• Faster chassis response
• Motorsport-inspired suspension performance
• Lightweight high-performance engineering

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

A003H6501

91133370111

477411313M

93033370125

93033370129

93033370128

91133370107

477411313N

93033370123

91133370101

91133370104

90133370103

90133370104

93033370100

The product you are viewing cross references to these numbers

U-tab kit. Porsche 911 / 912 / 930 / 914

2270025

Product Information

U-tab kit.

elephantracing

Fits:
Porsche 911 / 912 / 930 1969-89
Porsche 914 1970-76

Required when installing many thru-body type front sway bars onto cars originally equipped with an under-body type sway bar. U tabs are welded to stock control arms in place of the 'loop' style bushing holders used on cars originally equipped with under body type front sway bars.

• Required For Thru-Body Swaybar Conversions
• Not required for Elephant Racing Blade Type Swaybars
• Welding required for proper installation

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

2270025

2270025

91134190100

91134190200

The product you are viewing cross references to these numbers

DISPLAYING 17 to 18 (of 18 products)

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vibration damper stabiliser 911 1987-89 502-00

About Anti Roll Bar

In this video, Lawrence from Design 911 walks you through everything you need to know about your Porsche's anti-roll bar. Learn how this crucial component helps to stabilise your vehicle during cornering, enhancing both safety and performance. Lawrence breaks down the function, design, and installation process, ensuring that you're fully informed whether you're a seasoned Porsche enthusiast or just starting to explore the mechanics of your car.

Porsche Anti-Roll Bars | Design911 Suspension Components for Handling & Cornering Stability

Anti-roll bars — also known as sway bars or stabiliser bars — are essential suspension components that reduce body roll during cornering, keeping your Porsche balanced, stable, and predictable. They connect the left and right sides of the suspension system, distributing weight evenly to improve grip and steering precision. Whether on road or track, a properly functioning anti-roll bar ensures your Porsche maintains its signature agility and handling confidence.

At Design911, we offer a full range of anti-roll bars, drop links, and mounting hardware designed for precision fitment and enhanced suspension performance. Manufactured from high-strength steel or lightweight alloys, our anti-roll bars deliver optimal stiffness, durability, and performance. Perfect for servicing, performance tuning, or full suspension restoration, these components enhance control, responsiveness, and driver confidence in all driving conditions.

What Do Anti-Roll Bars Do?

Anti-roll bars work to reduce chassis movement by linking the suspension on both sides of the car, helping maintain flat, stable cornering.

Core Functions:
• Reduce body roll during turns and rapid direction changes.
• Improve steering precision and balance.
• Enhance tyre contact with the road for maximum grip.
• Distribute load evenly across the suspension.
• Maintain predictable handling in performance driving.

A correctly functioning anti-roll bar is key to achieving Porsche’s renowned cornering stability and driving dynamics.

Why Do Anti-Roll Bars Fail or Degrade?

Anti-roll bars and their associated components endure constant torsional stress, road impacts, and environmental exposure — leading to wear or fatigue over time.

Common Causes of Failure Include:
• Worn or cracked anti-roll bar bushes causing excess movement.
• Corrosion or fatigue in the bar or drop links.
• Loose or damaged mounting brackets.
• Degraded rubber isolators or seized joints.
• Stress fractures from aggressive driving or high cornering loads.

When anti-roll bars or their mounts fail, symptoms can include clunking noises, unstable cornering, poor handling response, and uneven tyre wear — making timely replacement crucial for safety and performance.

Why Replace or Upgrade Your Porsche Anti-Roll Bar?

Replacing or upgrading your Porsche’s anti-roll bar restores stability, reduces body roll, and improves overall handling precision. Upgraded materials and adjustable designs allow for fine-tuning performance and chassis balance.

Key Benefits:
• Restores flat, stable cornering and improved traction.
• Enhances steering feedback and chassis balance.
• Reduces body roll and weight transfer.
• Available in standard, reinforced, or adjustable designs.
• Fits Porsche 911, 944, 968, Boxster, Cayman, Cayenne, and Macan models.
• Ideal for performance tuning, servicing, or restoration.

Design911’s Porsche anti-roll bars and suspension components are built for strength, precision, and control — delivering superior handling, comfort, and confidence for every Porsche driver.

Highlights

• Premium Porsche anti-roll bars and drop links.
• High-strength steel and lightweight alloy construction.
• Reduces chassis roll and improves cornering stability.
• Precision-engineered for road and track performance.
• Compatible with classic and modern Porsche models.
• Perfect for restoration, servicing, or performance upgrades.

Your Porsches Anti Roll Bar: Explained

In this video, Lawrence from Design 911 walks you through everything you need to know about your Porsche's anti-roll bar.

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Anti Roll Bar

Anti Roll Bar

vibration damper stabiliser 911 1987-89 502-00

Your Porsches Anti Roll Bar: Explained