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Complete assembly with all gaskets, nuts and washers. Made from Billet Alloy CNC

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964COVERSETBLACK
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) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Complete assembly with all gaskets, nuts and washers. Made from Billet Alloy CNC

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964COVERSETRED
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) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Complete assembly with all gaskets, nuts and washers. Made from Billet Alloy CNC

Fits:
Porsche 964 C2 / C4 / RS 1989-94
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
964COVERSETSILVER
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) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Porsche Camshaft Covers | Engine Sealing & Reliability Upgrades
Camshaft Covers seal and protect the camshaft housings, retaining engine oil while shielding vital valvetrain components from contamination. In Porsche engines, camshaft covers play a critical role in maintaining correct oil pressure, preventing leaks, and ensuring long-term valvetrain reliability—particularly in high-mileage or performance-driven vehicles.
Available from Design911, this range of Porsche camshaft covers includes upgraded and performance-focused solutions designed to improve sealing, durability, and resistance to heat-related distortion under demanding operating conditions.
What Do Camshaft Covers Do?
Camshaft covers enclose the camshaft housings and maintain a sealed lubrication environment.
Core Functions:
- Retain engine oil within the camshaft housing.
- Protect camshafts and valvetrain components.
- Maintain correct oil pressure to the top end.
- Prevent contamination from dirt and debris.
- Support reliable valve timing and operation.
Properly functioning camshaft covers are essential for engine health and efficiency.
Why Do Camshaft Covers Fail?
Over time, standard camshaft covers can degrade due to heat,
pressure, and material fatigue. Common failure causes include:
- Warping or distortion from repeated heat cycles.
- Gasket failure leading to oil leaks.
- Cracking of plastic or composite covers.
- Seal hardening due to age and temperature exposure.
- Increased crankcase pressure in tuned engines.
Failed camshaft covers can cause oil loss, misfires, and accelerated valvetrain wear.
Why Upgrade Camshaft Covers?
Upgraded camshaft covers are designed to improve durability and sealing performance.
Upgrade Benefits:
- Improved resistance to heat distortion.
- Enhanced sealing surfaces to reduce oil leaks.
- Stronger materials for long-term reliability.
- Ideal for high-mileage or performance engines.
- Supports clean, consistent top-end lubrication.
Upgrading camshaft covers helps protect the valvetrain and maintain engine performance under demanding conditions.
Highlights
- Porsche camshaft covers and sealing upgrades
- Improved oil retention and leak prevention
- Designed for performance and reliability
- Ideal for rebuilds and high-mileage engines
- Supports long-term valvetrain health