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- 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
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Related, superseded, cross reference or alternative numbers for comparison.
964COVERSETBLACK
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) 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- 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Related, superseded, cross reference or alternative numbers for comparison.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
This kit is comprised of the following items:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
SET OF 2.

Fits:
Porsche 964 1989-94
Tired of your wife nagging you about the oil puddles in the driveway? Rennline has the solution with our new billet, fully CNC machined valve covers. These valve covers are a direct bolt on replacement for your flimsy leaking factory covers, and are machined to accept the reusable OEM gaskets (available below). With the corrosion resistant finish, chamfered edges, and tight gasket fitment, these valve covers are simply the best on the market. Available in Anodized clear or black finishes, or powdercoat red all with or without the fins brushed. Also included are the spark plug wire retainers and retainer hardware for a clean installation. Sold as a pair.
Note: Red are coated to order, please allow 1 week for red coating.
Note: Pictures may not show actual product.
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M12
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Fits:
Porsche 964 C2/C4 1989>>1993
Diagram Ref No 14
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Related, superseded, cross reference or alternative numbers for comparison.
96410511603AL
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
SET OF 2.
Fits:
Porsche 964 1989-94
The Porsche 964 engine valve covers are made of CNC machined billet aluminum. The benefits of using CNC machined billet aluminum valve covers are that they are more durable and resistant to corrosion than the factory covers. They also have chamfered edges and tight gasket fitment which helps prevent oil leaks. The 964 valve covers replace fragile, leaking factory covers and accept reusable OEM gaskets. With a corrosion-resistant finish, chamfered edges and tight gasket fitment, these are simply one of the best valve covers on the market, delivering safety and optimization in your 911’s engine bay
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410511603
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
SET OF 2
Fits:
Porsche 964 1989-94
The Porsche 964 engine valve covers are made of CNC machined billet aluminum. The benefits of using CNC machined billet aluminum valve covers are that they are more durable and resistant to corrosion than the factory covers. They also have chamfered edges and tight gasket fitment which helps prevent oil leaks. The 964 valve covers replace fragile, leaking factory covers and accept reusable OEM gaskets. With a corrosion-resistant finish, chamfered edges and tight gasket fitment, these are simply one of the best valve covers on the market, delivering safety and optimization in your 911’s engine bay
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410511503
The product you are viewing cross references to these numbers
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