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Clutch Bolts
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Fits:
·
Porsche 964 (911) C2 1989-93 (Not RS)
·
Porsche 964 (911) C4 1989-93
(Not RS)
·
Porsche 964 (911) TURBO 3.3L 1991-93
·
Porsche 964 (911) TURBO 3.6L 1991-93
·
Porsche 993 (911) C2 1994-97
(Not RS)
·
Porsche 993 (911) C4 1994-97
(Not RS)
·
Porsche 993 (911) C2S 1994-97
·
Porsche 993 (911) C4S 1994-97
·
Porsche 993 (911) TURBO 1994-96
·
Porsche 993 (911) GT2 1994-97
·
Porsche 993 (911) TURBO S 1994-97
·
Porsche 996 TURBO 2000-05
·
Porsche 996 GT3 MKI 1999-02
·
Porsche 996 GT3 MKII 2003>>
·
Porsche 996 GT3 RS 2003-04
·
Porsche 997 MK1 GT3 2007-09
·
Porsche 968 3.0L 1992-94
·
Porsche 968 Sport 3.0L 1994-95
·
Porsche 968 CS 3.0L 1993-95
·
Porsche 968 Turbo S 3.0L 1993-94
Diagram ref no 3.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951001501
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
9pcs Required. Price is for each.

Fits:
Porsche 964 1989-94 (not RS)
Porsche 993 1994-98 (not RS)
Porsche 996 Turbo, GT3
Porsche 997 GT3
Porsche 968 1992-95
Click on 'Zoom in' to see the diagram.
Diagram ref no 3.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951001501
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
The OE Match Clutch Bolt is a high-quality replacement fastening component designed to securely mount clutch assembly components to the flywheel or associated drivetrain assemblies. Manufactured to OE specifications for strength, dimensional accuracy and durability, this bolt plays a critical role in maintaining the integrity and safety of the clutch system.
Sold Each.
x9 Required Per Car.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Diagram Ref No 3
Engineered from high-grade materials and designed to withstand the extreme loads, vibration and temperature variations generated within the drivetrain, the clutch bolt provides the clamping force required to keep clutch components securely fixed during operation. Accurate fitment and correct torque are essential for reliable clutch performance and long-term drivetrain durability.
What This Product Does:
- Secures clutch assembly components to the flywheel or mounting surface.
- Maintains critical clamping force within the clutch system.
- Helps ensure correct alignment of clutch components.
- Withstands high rotational forces and drivetrain loads.
- Supports safe and reliable clutch operation.
- Prevents unwanted movement of clutch components.
- Contributes to overall drivetrain reliability and performance.
Symptoms Of Wear Or Failure:
- Loose clutch assembly components.
- Vibration from the clutch or drivetrain.
- Unusual noises from the bellhousing area.
- Clutch engagement irregularities.
- Visible corrosion, thread damage or bolt stretching.
- Difficulty maintaining correct torque specification.
- Premature wear of clutch or flywheel components.
- Clutch assembly movement under load.
- Potential drivetrain damage in severe cases.
Why Replacement Matters:
- Clutch bolts are subjected to extreme mechanical loads, rotational forces, heat cycles and vibration throughout their service life. Many clutch bolts are torque-to-yield fasteners and are designed for single-use applications. Reusing worn or stretched bolts can compromise clamping force and increase the risk of component loosening.
- A failed or improperly secured clutch bolt can lead to clutch misalignment, vibration, drivetrain damage and, in severe cases, catastrophic clutch assembly failure. During clutch replacement or transmission service, installing new clutch bolts is essential to ensure the correct clamping force and long-term reliability of the assembly.
- Replacing clutch bolts with OE Match components restores factory-specified fastening performance, maintains clutch system integrity and helps protect surrounding drivetrain components. OE Match replacement bolts provide factory-style fitment, precise manufacturing and dependable strength, ensuring reliable operation and long-term durability for your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951001501
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Fits:
Porsche 964 1989-94 (not RS)
Porsche 968 1992-95
Porsche 993 1994-05 (not RS)
Porsche 996 Turbo, GT3
Porsche 997 GT3
Price is for each.
Click on 'Zoom in' to see the diagram.
Diagram ref no 28.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911901701
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
The OE Match Flywheel Bolt, 10 x 62 mm is a high-strength replacement fastening component designed to securely attach the flywheel to the engine crankshaft. Manufactured to OE specifications for dimensional accuracy, strength and durability, this bolt is engineered to withstand the extreme rotational forces, torque loads and thermal stresses generated within the drivetrain.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Diagram Ref No 28
Produced from premium-grade materials and manufactured to precise tolerances, the flywheel bolt provides the critical clamping force required to maintain the secure connection between the crankshaft and flywheel assembly. Correct installation and torque specification are essential for reliable engine operation, clutch performance and drivetrain safety.
What This Product Does:
- Secures the flywheel to the engine crankshaft.
- Maintains critical clamping force within the drivetrain assembly.
- Ensures correct flywheel alignment and positioning.
- Withstands high torque loads and rotational forces.
- Supports smooth power transfer from the engine to the transmission.
- Helps maintain clutch and drivetrain reliability.
- Contributes to safe and dependable vehicle operation.
Symptoms Of Wear Or Failure:
- Drivetrain vibration during operation.
- Unusual noises from the flywheel or bellhousing area.
- Flywheel movement or instability.
- Clutch engagement irregularities.
- Difficulty maintaining correct torque specification.
- Visible thread damage, corrosion or bolt stretching.
- Premature wear of clutch and flywheel components.
- Engine-to-transmission alignment issues.
- Potential catastrophic drivetrain failure in severe cases.
Why Replacement Matters:
- Flywheel bolts are subjected to extreme mechanical loads, vibration, rotational stress and thermal cycling throughout their service life. Many flywheel bolts are designed as single-use or torque-to-yield fasteners, meaning they can stretch during installation and should be replaced whenever the flywheel is removed.
- Reusing worn or stretched flywheel bolts can compromise clamping force, increasing the risk of flywheel loosening, vibration and damage to critical drivetrain components. In severe cases, bolt failure can result in significant engine and transmission damage, leading to costly repairs.
- Replacing flywheel bolts during clutch, flywheel or engine service ensures the assembly remains securely fastened and operates as intended. An OE Match replacement provides factory-style fitment, precise manufacturing and dependable strength, helping maintain drivetrain integrity, smooth operation and long-term reliability for your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911901701
The product you are viewing cross references to these numbers
Porsche Clutch Bolts | Secure Power Transfer with Precision Engineering
Clutch bolts are essential fasteners that secure the clutch assembly to the flywheel, ensuring precise alignment and stable power transfer within your Porsche’s drivetrain. These high-tensile components are engineered to withstand extreme torque, vibration, and heat — keeping your clutch system firmly in place during high-performance driving.
At Design911, we supply premium-quality Porsche clutch bolts and fixing kits designed to meet or exceed original performance standards. Manufactured from hardened steel or high-grade alloy, each bolt set offers exact fitment, consistent torque strength, and long-lasting durability for both manual and semi-automatic transmissions.
Whether you’re replacing worn hardware during a clutch change or upgrading for track use, our clutch bolts guarantee secure engagement, reduced vibration, and optimal drivetrain reliability across all Porsche models.
What Do Clutch Bolts Do?
Clutch bolts fasten the clutch pressure plate to the flywheel, ensuring the entire clutch assembly operates as one balanced unit.
Core Functions:
- Securely
connect the clutch to the flywheel and crankshaft.
- Maintain
alignment for smooth clutch engagement and power delivery.
- Withstand
high rotational loads and thermal stress during acceleration.
- Prevent
slippage or imbalance within the drivetrain.
- Support consistent clutch performance in both road and track applications.
Without reliable clutch bolts, your Porsche’s clutch assembly cannot properly transmit power — potentially leading to severe drivetrain damage or failure.
Why Do Clutch Bolts Fail or Degrade?
Clutch bolts operate under extreme load and stress. Over time, they can lose their integrity due to mechanical and thermal factors.
Common Causes of Failure Include:
- Over-torqueing or under-torqueing during installation.
- Thread
fatigue from repeated tightening and loosening.
- Corrosion
or rust from exposure to moisture and heat cycles.
- Stretching
or distortion due to high torque loads.
- Vibration-induced loosening during aggressive driving.
When clutch bolts weaken or stretch, they compromise the clutch assembly’s structural integrity, leading to imbalance, noise, and even catastrophic clutch failure.
Why Replace or Upgrade Your Porsche Clutch Bolts?
Replacing your clutch bolts ensures secure, vibration-free clutch operation, while upgrading to performance-grade hardware provides extra reliability under extreme conditions.
Key Benefits:
- Restores
drivetrain integrity and clutch stability.
- Prevents slippage, vibration, and noise.
- Ensures
correct torque and alignment of clutch components.
- Reduces the risk of drivetrain imbalance or failure.
- Ideal for clutch replacements or performance upgrades.
- Available in corrosion-resistant finishes for longer lifespan.
It’s recommended to always replace clutch bolts during a clutch service — as reusing old or stretched bolts can compromise performance and safety.
Highlights:
- High-strength clutch bolts for Porsche applications.
- Precision-engineered for exact torque retention.
- Corrosion- and heat-resistant materials.
- Direct-fit replacements for all Porsche clutch systems.
- Essential for safe clutch installation and operation.
- Ideal for restoration, maintenance, and performance tuning.