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Porsche // 991 (911) MK1 2012-2016 // 991.1 GT3 3.8L (475 Bhp) 2014-16
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Increased Length 38MM Turbo Track Rod Assembly. Porsche 911 / 914 1969-89 - 930347031PR
930347031PR/RACE
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Information
Increased Length 38MM Turbo Track Rod Assembly.
Upgrade the front steering linkage of your classic Porsche with this high-performance, increased-length track rod assembly offering +38 mm extra length. Designed for the Porsche 911 (1969-89) and 914 (1970-76) with lowered ride height or modified front suspension geometry, this rod gives the necessary adjustment range to maintain proper steering geometry, eliminate binding and improve thread engagement. Ideal for road, performance or track use, this assembly provides extra flexibility, precision and durability for suspension-modified vehicles.
Sold Each.
x2 Required Per Car.
Fits:
Diagram Ref No 13/1
What This Product Does:
Symptoms & Signs You Might Need It:
Why This Upgrade Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
930347031PR
The product you are viewing cross references to these numbers
Upgrade the front steering linkage of your classic Porsche with this high-performance, increased-length track rod assembly offering +38 mm extra length. Designed for the Porsche 911 (1969-89) and 914 (1970-76) with lowered ride height or modified front suspension geometry, this rod gives the necessary adjustment range to maintain proper steering geometry, eliminate binding and improve thread engagement. Ideal for road, performance or track use, this assembly provides extra flexibility, precision and durability for suspension-modified vehicles.
Sold Each.
x2 Required Per Car.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Diagram Ref No 13/1
What This Product Does:
- The track rod (tie rod) connects the steering rack to the steering knuckle/steering arm, allowing the front wheels to respond to steering input. In classic 911/914 cars the standard length is optimised for standard ride height and steering geometry.
- When you lower a vehicle, change front ride height, fit stiffer springs, wider tyres or change front geometry, the original tie rod length may no longer maintain correct rod end engagement, steering rack to knuckle alignment, or sufficient thread engagement for safe mounting.
- An increased-length track rod gives extra adjustment range and corrects for the altered vertical/horizontal geometry by providing extra length, which helps maintain correct steering geometry, avoid binding, ensure full thread engagement, and reduce bump-steer or misalignment under load.
- Specifically the +38 mm version provides considerably more length than standard, giving more flexibility for extreme lowering or wide tyres/modified front hubs.
Symptoms & Signs You Might Need It:
- After lowering the front ride height significantly, the original tie rods are too short (leading to lack of adjustment, bound joints, or risk of insufficient thread engagement).
- Steering geometry issues such as bump-steer, uneven tyre wear, or altered steering feel (e.g., the front wheels feel unstable, wander, or kick in bumps) – these can be caused by improper tie-rod length relative to wheel/knuckle geometry.
- Visual inspection: the tie-rod ends are near the limit of adjustment (either fully extended or fully retracted), or the threads of the original rods are nearing their limit.
- You are running a performance setup (wider tyres, different hubs, lowered suspension) where the standard rod length restricts your alignment or fine-tuning.
- If one side of the front geometry is different (e.g., due to camber adjustment or lowered on one side) and standard rods don’t allow symmetric correction.
Why This Upgrade Matters:
- Preserves steering geometry: With modified suspension or ride height, correct rod length is essential to maintain proper steering rack to knuckle relationship, avoid undue forces, ensure proper articulation and reduce wear on joints.
- Improves safety and precision: Ensuring that the tie-rod ends have sufficient thread engagement and correct length helps avoid failure or undesirable steering behaviour under load.
- Supports performance modifications: If you’ve lowered the car, increased front negative camber, fitted wider tyres or track-prepared it, the standard rods often become a compromise — an increased-length rod restores capacity and tuning range.
- Reduces bump-steer/inconsistent behaviour: By allowing correct geometry under lowered height, the longer rod helps reduce unintended toe change under suspension movement, improving steadiness.
- Restoration/fitment: For highly modified or custom builds (wheels, track width, hub offsets) this rod gives the flexibility to adapt without resorting to custom rod making.
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930347031PR
93034703101
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Price: £84.62
In stock
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Information
Front bump steer kit replaces factory steering tie rods. Price per EACH. Requires 2 per car.
Replacement for 99634713104, 99634713103, 99134713100,
Fits:
Porsche 996
Porsche 997
Porsche 987 Boxster
Porsche 987 Cayman
Porsche 991
Porsche 981 Boxster
Porsche 981 Cayman
If you're serious about how your 996, 997, 986 Boxster, 987 Boxster, 987 Cayman, 991, 981 Boxster and 981 Cayman handles, you should upgrade the factory tie rods with an adjustable bump steer kit. There is one major drawback to the factory tie rods, bump steer. Bump steer results from a tie rod that is angled from the steering rack to the spindle. An angled tie rod end will have a larger horizontal travel distance than the rest of the suspension, compared to a level link. Rennline's adjustable bump steer kits solve this problem. Manufactured from 6061 aluminum and feature a turnbuckle design that allow each arm to be lengthened or shortened as needed to restore proper suspension geometry on a lowered Porsche. A number of spacers are also included and can be added or removed accordingly to get a level tie rod for your vehicles specific ride height. The FK Teflon-lined rod end bearings ensure precision handling and lock in your car’s alignment settings, ensuring predictable cornering under all conditions.
Note: 2 kits required per car. Rubber Boots not included but available separately.
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S7510
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Replacement for 99634713104, 99634713103, 99134713100,
Fits:
Porsche 996
Porsche 997
Porsche 987 Boxster
Porsche 987 Cayman
Porsche 991
Porsche 981 Boxster
Porsche 981 Cayman
If you're serious about how your 996, 997, 986 Boxster, 987 Boxster, 987 Cayman, 991, 981 Boxster and 981 Cayman handles, you should upgrade the factory tie rods with an adjustable bump steer kit. There is one major drawback to the factory tie rods, bump steer. Bump steer results from a tie rod that is angled from the steering rack to the spindle. An angled tie rod end will have a larger horizontal travel distance than the rest of the suspension, compared to a level link. Rennline's adjustable bump steer kits solve this problem. Manufactured from 6061 aluminum and feature a turnbuckle design that allow each arm to be lengthened or shortened as needed to restore proper suspension geometry on a lowered Porsche. A number of spacers are also included and can be added or removed accordingly to get a level tie rod for your vehicles specific ride height. The FK Teflon-lined rod end bearings ensure precision handling and lock in your car’s alignment settings, ensuring predictable cornering under all conditions.
Note: 2 kits required per car. Rubber Boots not included but available separately.
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S7510
99634713104
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Price: £241.00
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Information
Track Rod.
Fits:
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Porsche 981C Cayman 2014 - 2016
Porsche 991 Carrera 2012 - 2016
Porsche 991 Turbo 2014 - 2016
Porsche 991 GT3 2014 - 2016
Price is for each
Diagram ref no 8
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99134713101
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Price is for each
Diagram ref no 8
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Information
Track rod inner joint.
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Price is for each.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.
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Price is for each.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.
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Information
Lock nut for Steering rack tie rod end, M12 x 1,5
This Genuine Porsche lock nut is an OE M12 x 1.5 fastening nut used for securing steering rack tie rod end and related chassis components on selected Porsche 993, 996, 997, 991, Boxster, Cayman and 970 Panamera models. It is ideal for replacing damaged, corroded or previously removed nuts during steering, suspension or chassis repairs.
Sold individually, 2 required per vehicle
Fits:
Porsche 993 1995 - 1998
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 2019
Porsche Boxster 986 1997 - 2004
Porsche Boxster 987.1 2005 - 2008
Porsche Boxster 987.2 2009 - 2012
Porsche Boxster 981 2012 - 2016
Porsche Cayman 987.1 2005 - 2008
Porsche Cayman 987.2 2009 - 2012
Porsche Cayman 981 2012 - 2016
Porsche 970.1 Panamera 2009 - 2013
Porsche 970.2 Panamera 2014 - 2016
Diagram ref no 10
This lock nut fits in the steering and chassis assembly, commonly used at the steering rack tie rod end / track rod end connection. Depending on model and application, M12 x 1.5 lock nuts may also appear in suspension and control arm fastening locations.
This is a small but important OE Porsche hardware item that helps secure critical chassis and steering components to the correct factory standard.
Functions
• Secures the steering rack tie rod end connection
• Provides a factory-correct M12 x 1.5 locking fastening point
• Helps maintain secure attachment of steering and chassis components
• Supports correct steering geometry and component stability
• Helps prevent loosening caused by vibration, road loads and suspension movement
• Suitable for replacement during steering rack, track rod or tie rod end work
• Maintains OE Porsche fitment and fastening quality.
Lock nuts are designed to provide secure fastening and are often recommended for replacement after removal, especially on steering and suspension components. Over time, the nut can corrode, seize, round off or lose its locking effectiveness. Replacing the original nut with a Genuine Porsche OE M12 x 1.5 lock nut helps ensure the tie rod end or related component is secured correctly and safely. This is especially important on steering components, where correct fastening is essential for accurate steering response and road safety.
When to replace
• When replacing a steering rack tie rod end or track rod end
• When removing or refitting steering rack components
• If the original nut is corroded, seized or damaged
• If the nut thread is worn or the locking function is compromised
• During suspension or steering overhaul work
• After accident repair or chassis component replacement
• When restoring the car with correct OE Porsche hardware.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99908444909
The product you are viewing cross references to these numbers
This Genuine Porsche lock nut is an OE M12 x 1.5 fastening nut used for securing steering rack tie rod end and related chassis components on selected Porsche 993, 996, 997, 991, Boxster, Cayman and 970 Panamera models. It is ideal for replacing damaged, corroded or previously removed nuts during steering, suspension or chassis repairs.
Sold individually, 2 required per vehicle
Fits:
Porsche 993 1995 - 1998
Porsche 996 1998 - 2005
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 2019
Porsche Boxster 986 1997 - 2004
Porsche Boxster 987.1 2005 - 2008
Porsche Boxster 987.2 2009 - 2012
Porsche Boxster 981 2012 - 2016
Porsche Cayman 987.1 2005 - 2008
Porsche Cayman 987.2 2009 - 2012
Porsche Cayman 981 2012 - 2016
Porsche 970.1 Panamera 2009 - 2013
Porsche 970.2 Panamera 2014 - 2016
Diagram ref no 10
This lock nut fits in the steering and chassis assembly, commonly used at the steering rack tie rod end / track rod end connection. Depending on model and application, M12 x 1.5 lock nuts may also appear in suspension and control arm fastening locations.
This is a small but important OE Porsche hardware item that helps secure critical chassis and steering components to the correct factory standard.
Functions
• Secures the steering rack tie rod end connection
• Provides a factory-correct M12 x 1.5 locking fastening point
• Helps maintain secure attachment of steering and chassis components
• Supports correct steering geometry and component stability
• Helps prevent loosening caused by vibration, road loads and suspension movement
• Suitable for replacement during steering rack, track rod or tie rod end work
• Maintains OE Porsche fitment and fastening quality.
Lock nuts are designed to provide secure fastening and are often recommended for replacement after removal, especially on steering and suspension components. Over time, the nut can corrode, seize, round off or lose its locking effectiveness. Replacing the original nut with a Genuine Porsche OE M12 x 1.5 lock nut helps ensure the tie rod end or related component is secured correctly and safely. This is especially important on steering components, where correct fastening is essential for accurate steering response and road safety.
When to replace
• When replacing a steering rack tie rod end or track rod end
• When removing or refitting steering rack components
• If the original nut is corroded, seized or damaged
• If the nut thread is worn or the locking function is compromised
• During suspension or steering overhaul work
• After accident repair or chassis component replacement
• When restoring the car with correct OE Porsche hardware.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99908444909
99908444909
The product you are viewing cross references to these numbers
Price: £3.29
In stock