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- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) RS 1994-97
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
This product is a complete OE Match flywheel bolt set consisting of 9 high-strength bolts used to secure a single-mass flywheel to the crankshaft on selected Porsche performance and motorsport models. The bolts are manufactured to match the original Porsche specification for thread pitch, length, and clamping force.
SET OF 9
Fits:
Porsche 928 1978 - 1995
Porsche 964 Carrera RS 1991 - 1994
Porsche 993 Carrera RS Clubsport 1995 - 1996
Porsche 996 GT3 1999 - 2001 - With PR 002 / 003*
Porsche 996 GT3 RS 2003 - 2005
Porsche 997 GT3 RS 2007 - 2011
Porsche 997-2 GT2 RS 2010
Diagram ref no 28
This bolt set secures the flywheel to the crankshaft, maintaining precise alignment between the engine and clutch assembly. Correct clamping force ensures smooth power transfer, stable clutch engagement, and protection of the crankshaft and flywheel mating surfaces.
Function: Installed through the flywheel into the crankshaft flange, each bolt is torqued to specification to provide uniform clamping pressure. Working together as a set, the bolts resist rotational forces generated by engine torque and clutch engagement, helping maintain drivetrain stability and preventing loosening under high-RPM and high-load conditions.
Flywheel bolts are subject to extreme mechanical stress and may stretch or fatigue after removal or repeated torque cycles. Reusing old bolts can compromise clamping force, leading to flywheel movement, vibration, clutch issues, or damage to the crankshaft flange. Replacing them with a new OE Match bolt set ensures reliable torque retention and protects high-value drivetrain components.
When to replace:
• During clutch or flywheel replacement
• When converting to or servicing a single-mass flywheel
• During engine rebuild or rear main seal service
• If original bolts show stretching, corrosion, or thread damage
• When Porsche service procedures specify new bolts on reassembly
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810215102
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This kit is comprised of the following items: