Porsche Bolt – (8 x 42 mm) Flywheel Ring Gear to Clutch Pressure Plate, 911 (70–86) 900-067-090-03-OEM | OEM Hardware

Secure your clutch and flywheel assembly with confidence using the Porsche Flywheel Ring Gear to Clutch Pressure Plate Bolt (8 x 42 mm). Part Number 900-067-090-03 Designed to exact factory standards, this genuine OEM bolt ensures proper alignment, torque retention, and lasting reliability. Suitable for Porsche 911 models built between 1970 and 1986, it is essential for safe clutch operation and precise engine performance during rebuilds or maintenance.

Key Features

• OEM Porsche Component – Designed and manufactured to original factory specifications for a perfect fit

• 8 x 42 mm Specification – Correct size and length for clutch pressure plate to flywheel ring gear attachment

• High-Strength Steel Construction – Withstands vibration, heat, and torque stresses under performance conditions

• Precision Threading – Ensures secure fastening and even torque distribution

• Corrosion Resistant Finish – Protects against wear and oxidation in high-temperature environments

• Direct Fit for Porsche 911 (1970–1986) – Compatible with models using 225 mm clutch assemblies

• Ideal for Rebuilds and Restorations – Recommended replacement whenever the clutch or flywheel is serviced

Frequently Asked Questions (FAQ)

Q: What does this bolt do?
A: This bolt secures the clutch pressure plate to the flywheel ring gear, maintaining correct torque and alignment for smooth clutch engagement.

Q: Which Porsche models is this bolt compatible with?
A: It fits Porsche 911 models produced between 1970 and 1986 equipped with 225 mm clutch systems.

Q: What are the dimensions of the bolt?
A: The bolt measures 8 mm in diameter and 42 mm in length, matching original factory specifications.

Q: How many bolts are required per assembly?
A: Typically, six bolts are used to secure the pressure plate to the flywheel, though it’s best to verify with the factory manual for your specific model.

Q: Should I replace these bolts when reinstalling the clutch?
A: Yes. Always use new bolts when replacing or reinstalling the clutch or flywheel to ensure correct torque and reliability.

Q: What material is the bolt made from?
A: It is made from high-strength, heat-treated steel to withstand the high loads and temperatures of the clutch system.

Q: Is thread locking compound recommended during installation?
A: Yes. Porsche service guidelines generally recommend applying thread locker to prevent loosening under vibration.

Q: Is this an OEM or aftermarket part?
A: This is a genuine OEM-grade bolt produced to the same standards as the original factory component.

Q: Is it covered under warranty?
A: Most OEM Porsche hardware includes a limited manufacturer warranty. Check with your supplier for exact terms.