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Porsche > 991 (911) MK1 2012-2016 > 991.1 GT3 3.8L (475 Bhp) 2014-16 > Suspension Upgrades >

Control Arms Front

Control Arms Front

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DISPLAYING 17 to 25 (of 25 products)
1 2
RSS Front Toe Steer / Bump Steer Kit XL for Porsche 981 / 982 / GT4 / 991 - 371, 99634713104, 99634713103, 99134713100, 99634713105, 99634713101, 99634713102
4
RSS Front Toe Steer / Bump Steer Kit XL for Porsche 981 / 982 / GT4 / 991
371
Product Information
Product Information
Front toe steer / bump steer kit XLARGE.

rss

SET OF 2
replacement for 99634713104, 99634713103, 99134713100,

Fits:
FOR ALL Porsche 981, 982, GT4, 991 INCLUDING TURBO & GT3/GT3RS.

Also would fit Porsche 986, 996, 997, 987 that are running extreme amounts of negative camber or that have widened the front track width.

The RSS Adjustable Front Toe/Bump Steer XL Kit is designed for Porsche models that have been lowered. This kit will help minimize the suspension geometry change in the front of the vehicle. Allows for bump steer adjustment. Improves handling, feedback and control.

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Related, superseded, cross reference or alternative numbers for comparison.

371
371
99634713104
99634713103
99134713100
99634713105
99634713101
99634713102

The product you are viewing cross references to these numbers
RSS inner Spherical Bearing (Mono-ball) End Kit: Set of 2. Porsche 991 GT3 / 981 GT4 / 986, 987, 996, 997 - 3-256, 996 341 441 90, 99634144190, 99734104198, 99734104298
3
RSS inner Spherical Bearing (Mono-ball) End Kit: Set of 2. Porsche 991 GT3 / 981 GT4 / 986, 987, 996, 997
3-256
Product Information
Product Information
Inner Spherical Bearing (Mono-ball) End Kit: SET OF 2.

rss

Fits
Porsche 991 GT3 OE Front Control Arms
Porsche 981 GT4 Front and Rear Control Arms
Porsche 986, 987, 996, 997 with GT3/RS OE Front or Rear Split Control Arms,

Fits any RSS Tarmac Series Lower Control Arm or replaces any OE Porsche Split Arm Inner Bushing.
Provides a Bolt On Mono-Ball Performance Solution replacing rubber mounted OE inner mono-balls. RSS Longer studs allow for more negative camber adjustment / gain vs. OE inner bushing. For camber shim kits see RSS Part # 308.

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Related, superseded, cross reference or alternative numbers for comparison.

3-256
3-256
996 341 441 90
99634144190
99734104198
99734104298

The product you are viewing cross references to these numbers
RSS Lower Control Arm Adjusting Shim for Porsche Models - 30014, 30015, 30016, 30017, 30018, 30074, 99634154390, 99634154391, 99634154392, 99634154393
2
RSS Lower Control Arm Adjusting Shim for Porsche Models
300
Product Information
Product Information
Lower Control Arm Adjusting Shims for Porsche Models

rss

Price: One Alignment Shim

RSS alignment shims are designed for use with factory or aftermarket 2-piece motorsport style control arms. Perfect for obtaining more negative camber and adjusting track width during setup.

Shims are available in a variety of sizes including 1mm, 2mm, 3mm, 5mm, 7mm, 10mm and 11mm.

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

300
30014
30015
30016
30017
30018
30074
99634154390
99634154391
99634154392
99634154393

The product you are viewing cross references to these numbers
RSS Lower Control Arm Adjusting Shim rear. Porsche 991 GT3 / GT3 RS / GT2 RS - 30190, 30191, 30192, 30193, 30194, 30195, 99133105381, 99133105380, 99133105382
1
RSS Lower Control Arm Adjusting Shim rear. Porsche 991 GT3 / GT3 RS / GT2 RS
301
Product Information
Product Information
RSS Lower Control Arm Adjusting Shim - Rear. 

rss

Fits:
Porsche 991 GT3 / GT3 RS
Porsche 991 GT2 RS

Price: One Alignment Shim

RSS alignment shims are designed for use with factory or aftermarket 2-piece motorsport style control arms. Perfect for obtaining more negative camber and adjusting track width during setup.

Shims are available in a variety of sizes including 1mm, 2mm, 3mm, 5mm, 7mm, 10mm and 11mm.

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

301
30190
30191
30192
30193
30194
30195
99133105381
99133105380
99133105382

The product you are viewing cross references to these numbers
RSS Non-Adjustable thrust arm bushing kit. Porsche 987 / 997 / 991 / 981 / 982 / 718 / GT4 - 323
1
RSS Non-Adjustable thrust arm bushing kit. Porsche 987 / 997 / 991 / 981 / 982 / 718 / GT4
323
Product Information
Product Information
FRONT NON-ADJUSTABLE THRUST ARM BUSHING KIT. Front Axle. Ideal for castor/length adjustable style thrust arms from other brands. for Porsche 987/997/991/981/982/718/GT4

SET OF 4. FRONT AXLE ONLY

rss

The RSS Non-Adjustable Thrust Arm Bushing Kit will improve handling and response of suspension system. Eliminates unwanted caster changes in both front or rear suspension under acceleration and deceleration.

AVAILABLE FOR ALL PORSCHE® 987, 997 (non GT#) 981, GT4, 991, 991 GT3/RS .

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

323
323

The product you are viewing cross references to these numbers
RSS Outer ball joint pin rebuild kit for Front bump RSS toe steer link/arm. Porsche 996 / 997 / Boxster / Cayman / 991 - 382, 370, 371
2
RSS Outer ball joint pin rebuild kit for Front bump RSS toe steer link/arm. Porsche 996 / 997 / Boxster / Cayman / 991
382
Product Information
Product Information
Outer ball joint pin rebuild kit for Front bump RSS toe steer link/arm. Fits Part # 370 + 371

rss

Kit includes: 1x Tapered Stud, 1 x Upper Lock Nut, 1 x Lower Lock Nut, 2 x Stud Spacers/Washers.

USER NOTE: A new 382 Kit should be installed once ball joint pin has been removed from hub.

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

382
382
370
371

The product you are viewing cross references to these numbers
RSS Torque Vector/Litronic Sensor Bracket Set for Front XL Inner Monoball. Porsche GT4 / 991 GT3/RS - 389, 3-307, 388
1
RSS Torque Vector/Litronic Sensor Bracket Set for Front XL Inner Monoball. Porsche GT4 / 991 GT3/RS
389
Product Information
Product Information
Porsche GT4 + 991 GT3/RS Torque Vector/Litronic Sensor Bracket Set (Front XL Inner Monoball #3-307).

Brand: rss

Adapts the XL Inner Monoballs for use with OEM Torque Vectoring/Litronic System Sensors.

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

389
389
3-307
388

The product you are viewing cross references to these numbers
RSS XL Inner Spherical Bearing (Mono-ball) End Kit: Set of 2. Porsche 991 GT3 / 981 GT4 / 986, 987, 996, 997 - 3-307
4
RSS XL Inner Spherical Bearing (Mono-ball) End Kit: Set of 2. Porsche 991 GT3 / 981 GT4 / 986, 987, 996, 997
3-307
Product Information
Product Information
Inner Spherical Bearing (Mono-ball) End Kit: SET OF 2.

Brand: rss

Fits
Porsche 991 GT3  (not RS) OE Front Control Arms,
Porsche 981 GT4 Front and Rear Control Arms,
Porsche 986, 987, 996, 997 with GT3/RS OE Front or Rear Split Control Arms,
Fits any RSS Tarmac Series Lower Control Arm or replaces any OE Porsche Split Arm Inner Bushing. Provides a Bolt On Mono-Ball Performance Solution replacing rubber mounted OE inner mono-balls.

The Extra Long Monoball Housing Design (+15mm) allows for more negative camber adjustment / gain vs. standard aftermarket or OE inner bushings. The XL Design allows for proper stud engagement between inner and outer control arm with when running aggressive negative camber settings. For camber shim kits see RSS Part # 308.

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

3-307
3-307

The product you are viewing cross references to these numbers
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
DISPLAYING 17 to 25 (of 25 products)
1 2
Also found on these pages
About Control Arms Front

Front Control Arms – Precision Steering and Suspension Control

Front control arms are critical suspension components that locate the front wheels, control suspension geometry and maintain precise steering alignment. By connecting the chassis to the wheel hub, control arms manage camber, caster and toe movement throughout suspension travel, directly influencing handling stability, steering response and tyre wear.

At Design911, we offer front control arms ranging from OE-spec replacements to performance upgrades from trusted suspension brands. Whether replacing worn factory arms or upgrading to adjustable or reinforced designs, front control arms are essential for restoring sharp handling and improving front-end confidence.

What Do Front Control Arms Do?

Front control arms form a key part of the suspension system, allowing controlled vertical movement of the wheels while keeping them correctly aligned. Their main functions include:

  • Maintaining correct wheel alignment and geometry
  • Supporting steering precision and stability
  • Controlling suspension movement under braking and cornering Isolating road impacts while maintaining control

They work together with bushes, ball joints and dampers to ensure predictable handling and consistent tyre contact with the road.

Why Upgrade or Replace Front Control Arms?

Upgrading front control arms is beneficial because it offers:

  • Restored or improved steering accuracy
  • Reduced unwanted suspension flex under load
  • Improved tyre wear and alignment stability
  • Enhanced feedback during spirited driving

Performance control arms may feature uprated bushes, stronger materials or adjustable geometry, allowing fine-tuning for fast-road or track-focused setups.

When Should You Replace Front Control Arms?

Front control arms should be replaced or upgraded when:

  • Ball joints or bushes are worn, cracked or noisy
  • Steering feels vague or unstable
  • Uneven tyre wear is present
  • Performing a suspension refresh or performance upgrade
  • Alignment cannot be set correctly

Replacing worn control arms restores proper suspension geometry and significantly improves handling confidence.

At Design911, our front control arms meet OE or performance standards to support reliable servicing and enthusiast-level upgrades.

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