Single Mass Flywheel Bolt - M10x1.25x24. Porsche 928 / 964 & 993 Carrera RS / 996 GT3 RS / 997 GT2 RS & GT3 RS  ❭  92810215102

Single Mass Flywheel Bolt - M10x1.25x24
OE Match flywheel retaining bolt used to secure a single-mass flywheel to the crankshaft. With an M10×1.25 thread and 24mm length, it’s engineered to deliver the correct clamp force to keep the flywheel securely mounted under extreme torsional loads, rapid RPM changes, and repeated heat cycles.
Sold each, 9 required per vehicle.

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 4

Correct flywheel bolts are critical because they maintain the integrity of the crank-to-flywheel joint - supporting smooth power transfer, stable clutch operation, and long-term reliability. This OE Match version is designed for direct replacement during clutch/flywheel service and engine rebuild work.

Function: These bolts thread into the crankshaft flange and clamp the flywheel in place, ensuring accurate alignment and a secure interface between engine and clutch assembly. Proper bolt specification supports consistent torque retention and helps protect the flywheel, crank flange, and clutch components from vibration-related wear.

Flywheel bolts operate under high stress and can fatigue, stretch, or lose torque retention after removal and re-torque cycles. Replacing them with correct OE Match bolts helps ensure proper clamp load, reduces the risk of loosening, and protects expensive components from damage caused by flywheel movement.

When to replace:
•  During clutch replacement or flywheel removal
•  During engine rebuilds or rear main seal work requiring flywheel removal
•  If bolts show thread damage, corrosion, or signs of stretching
•  When service procedure specifies new bolts on reassembly
•  Any time correct torque cannot be reliably achieved

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92810215102

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