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Porsche > 991 (911) MK2 2016-2019 > Suspension Upgrades >

Control Arms Rear

Control Arms Rear

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DISPLAYING 33 to 34 (of 34 products)
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Suspension package, StreetCup. Porsche 991 GT3 / RS BBi Autosport - bbi.991.401.0006
4
Suspension package, StreetCup. Porsche 991 GT3 / RS BBi Autosport
BBISPRING991GT3
Product Information
Product Information
BBi Autosport StreetCup suspension package for Porsche 991 GT3 / GT3 RS

bbi

The BBi Street Cup Suspension Package improves the handling response of the vehicle by upgrading the factory springs with an improved linear rate springs and replacing the factory arms and links with the motorsport Cup version that uses spherical bearings.

Complete Package Includes:

2 Coilover Spring (Front)
2 Coilover Spring (Rear)
2 Coilover Helper Spring (Front)
2 Coilover Helper Spring (Rear)
2 Billet Monoball Lower Trailing Arm
2 Billet Monoball Upper Trailing Arm
2 Billet Monoball Upper Wishbone
2 Monoball Front Bearing Flange
2 Monoball Rear Bearing Flange
2 Upper Spring Rest
2 Lower Spring Rest
2 Adjustable Sway Bar End Link Front
2 Adjustable Sway Bar End Link Rear
Upper control arms concentric monoball kit. Porsche 991 2012 onwards - 2260007, 99133104503, 9P1501529, 99133104520, 99133104703, 9P1505397A, 9P1505397
2
Upper control arms concentric monoball kit. Porsche 991 2012 onwards
2260007
Product Information
Product Information
Rear track rod concentric monoballl kit.
1 kit required per car

elephantracing

Fits
Porsche 991 2012 Onward - Rear Only

These monoball cartridges replace factory rear upper control arm bushings with hardened-steel spherical bearings. Spherical bearings allow free motion on multiple axis and eliminate deflection associated with rubber, resulting in more precise holding of toe and camber.High tolerance machined housing allow for simple press fit installation. Correct spacers ensure proper fitment.

Weather Sealed
Monoball housing and spacers are hard anodized for protection. Our proprietary rubber seals keep the precision bearing from road contaminates for extended life of the product.

The kit includes 8 monoball bearings. 2 per arm, for 4 arms total.
Order one kit per car.

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Related, superseded, cross reference or alternative numbers for comparison.

2260007
2260007
99133104503
9P1501529
99133104520
99133104703
9P1505397A
9P1505397

The product you are viewing cross references to these numbers
DISPLAYING 33 to 34 (of 34 products)
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About Control Arms Rear

Rear Control Arms (Coffin Arms) – Stability, Alignment and Rear-End Control

Rear control arms, commonly referred to as coffin arms, are critical suspension components responsible for controlling rear wheel alignment, stability and handling balance. Mounted between the rear hub and chassis, these arms manage camber and toe movement as the suspension compresses and extends, directly affecting traction, tyre wear and overall vehicle confidence.

At Design911, we supply OE replacement and performance rear coffin arms from trusted suspension manufacturers. Whether you are addressing worn factory components or upgrading for fast-road and track use, rear control arms play a vital role in maintaining predictable handling and restoring proper suspension geometry.

What Do Rear Control Arms (Coffin Arms) Do?

Rear control arms locate the rear wheels and guide their movement through suspension travel. Their primary functions include:

  • Maintaining correct rear wheel camber and toe
  • Providing rear-end stability under acceleration and cornering
  • Supporting predictable handling balance
  • Reducing unwanted suspension flex

Because the rear suspension governs traction and stability, worn or flexing coffin arms can significantly affect handling feel and tyre life.

Why Upgrade or Replace Rear Coffin Arms?

Upgrading or replacing rear control arms offers:

  • Restored rear suspension geometry and alignment accuracy
  • Improved traction and stability during cornering
  • Reduced uneven tyre wear
  • Better feedback and control during spirited driving

Performance rear control arms may feature stronger materials, uprated bushes or adjustable geometry, allowing fine-tuning of rear suspension setup for performance driving or track use.

When Should You Replace Rear Control Arms?

Rear coffin arms should be replaced or upgraded when:

  • Suspension bushes are cracked, worn or noisy
  • Rear alignment cannot be set correctly
  • Handling feels unstable or unpredictable
  • Uneven rear tyre wear is present
  • Performing a suspension refresh or performance upgrade

Replacing worn rear control arms helps restore factory handling characteristics and improves overall driving confidence.

At Design911, our rear control arms meet OE or performance standards, supporting both professional servicing and enthusiast upgrades.

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