Cylinder Head / Camshaft Carrier
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016


Fits:
Porsche 987.2 Boxster S 3.4L 2009-12
Porsche 987C.2 CaymanS 3.4L 2009-12
Porsche 981 Boxster S 3.4L 20012-16
Porsche 981C Cayman S 3.4L 20012-16
Porsche 997.2 C2 / C4 3.6L 2009-12
Porsche 991.1 C2 / C4 3.4L 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110414
The product you are viewing cross references to these numbers
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman S / GTS 3.4L 981 2013-16
Fits:
Porsche 987.2 Boxster 2.9L 2009-12
Porsche 987C.2 Cayman 2.9L 2009-12
Porsche 981 Boxster 2.7L 2012-16
Porsche 981C Cayman 2.7L 2012-16
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110414
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16


Fits:
Porsche 987.2 Boxster 2.9L 2009-12
Porsche 987C.2 Cayman 2.9L 2009-12
Porsche 981 Boxster 2.7L 2012-16
Porsche 981C Cayman 2.7L 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110414
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16


Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cyaman 2009-12
Porsche 997.2 Carrera 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110430
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
SET OF 24 head studs, washers & nuts.

Fits:
Porsche 986 Boxster 2.7L / S 3.4L 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 996 C2 / C4 / C4S 2002-05
Porsche 997 Carrera 2005-08
Click 'Zoom in' for large parts diagram
Diagram ref no 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610418059
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Engine 3.4L, 97.00mm Bore, Ductile Iron flanged liners (With Hole and cutouts machined)

Fits:
Porsche 991 3.4L Engine Only Price SET OF 6
Porsche 981 3.4L Engine Only Price SET OF 6
NEW Ductile Iron cylinder liners suitable for repairing damaged Alusil bores in 991 / 981 engines.
These New Ductile liners now have the cutouts and gudgeon pin hole already pre machined into the liners. The liners will only need to be bored and honed after fitment.
These liners are becoming very popular, with increasing numbers of cars suffering from scoring in the bores.
The liners will need to be fitted by a professional machine shop. You will not need to get special pistons or rings, as the original spec ones can be used with these Ductile liners.
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche Cayman S / GTS 3.4L 981 2013-16

Fits:
Porsche 981 Boxster 2.7ltr - 2012 to 2016
Porsche 981 Cayman 2.7ltr - 2013 to 2016
Cylinder head and valve cover gasket set.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110414445
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Cayman 2.7L 981 2013-16

2 per engine.

Fits:
Porsche 987 Boxster S 3.4L 2006-08 (M97.21)
Porsche 987 Boxster S 3.4L RS SPYDER 2008 (M97.22)
Porsche 987C Cayman S 3.4L 2006-08 (M97.21)
Porsche 996 3.6L C2 / C4 / C4S 2002-05 (M96.03)
Porsche 997 C2 / C4 3.6L Coupe/Cabrio 2005-08 (M96.05)
This product supersedes Porsche's old part numbers:
- 99610420102
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610420104
The product you are viewing cross references to these numbers
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche Cayman S 3.4L 987C 2005-08
2 per engine.

Fits:
Porsche 987 Boxster S 3.4L 2006-08 (M97.21)
Porsche 987 Boxster S 3.4L RS SPYDER 2008 (M97.22)
Porsche 987C Cayman S 3.4L 2006-08 (M97.21)
Porsche 996 3.6L C2 / C4 / C4S 2002-05 (M96.03)
Porsche 997 C2 / C4 3.6L Coupe/Cabrio 2005-08 (M96.05)
This product supersedes Porsche's old part numbers:
- 99610420102
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610420104
The product you are viewing cross references to these numbers
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche Cayman S 3.4L 987C 2005-08

Fits:
Porsche 986 Boxster 2.5L / 2.7L CC 1997-02 (M96.20/22)
This product supersedes Porsche's old part numbers:
- 99610417004 (1-3 Cyl.) / 99610416900 (4-6 Cyl.)
- 99610417005 (1-3 Cyl.) / 99610416901 (4-6 Cyl.)
Click 'zoom in' for large parts diagram.
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9961041
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02


Fits:
Porsche 986 Boxster 2.5L / 2.7L CC 1997-02 (M96.20/22)
This product supersedes Porsche's old part numbers:
- 99610417004 (1-3 Cyl.) / 99610416900 (4-6 Cyl.)
- 99610417005 (1-3 Cyl.) / 99610416901 (4-6 Cyl.)
Click 'zoom in' for large parts diagram.
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9961041
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02

2 per engine.

Fits:
Porsche 986 Boxster 2.7L 2003-04 (M96.23)
Porsche 987 Boxster 2.7L 2005-08 (M96.25)
Porsche 987C Cayman 2.7L 2007-08 (M97.20)
This product supersedes Porsche's old part numbers:
- 99610417007
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610417010
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Cayman 2.7L 987C 2006-08
2 per engine.

Fits:
Porsche 986 Boxster 2.7L 2003-04 (M96.23)
Porsche 987 Boxster 2.7L 2005-08 (M96.25)
Porsche 987C Cayman 2.7L 2007-08 (M97.20)
This product supersedes Porsche's old part numbers:
- 99610417007
Click 'zoom in' for large parts diagram.
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610417010
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Cayman 2.7L 987C 2006-08

2 per engine.

Fits:
Porsche 986 Boxster 3.2L 2003-04 (M96.24)
Porsche 987 Boxster 3.2L 2005-06 (M96.26)
This product supersedes Porsche's old part numbers:
- 99610417058
Click 'zoom in' for large parts diagram.
Diagram ref no 22.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610417060
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
2 per engine.

Fits:
Porsche 986 Boxster 3.2L 2003-04 (M96.24)
Porsche 987 Boxster 3.2L 2005-06 (M96.26)
This product supersedes Porsche's old part numbers:
- 99610417058
Click 'zoom in' for large parts diagram.
Diagram ref no 22.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610417060
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
1 per engine.

Fits:
Porsche 986 Boxster S 3.2L 2000-02 (M96.21)
This product supersedes Porsche's old part numbers:
- 99610417056 (1-3 Cyl.) / 99610416950 (4-6 Cyl.)
Click 'zoom in' for large parts diagram.
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9961041
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
Precision Cylinder Head & Camshaft Covers – Engine Protection and Performance for Porsche Models
The cylinder head and camshaft covers play a vital role in protecting key engine components such as the valvetrain, camshafts, and cylinder head from dirt, debris, and oil contamination. Beyond protection, they ensure proper oil sealing and ventilation — maintaining consistent lubrication and pressure balance within the engine.
At Design911, we offer a wide selection of precision-engineered cylinder head and camshaft covers for both classic and modern Porsche engines. Crafted from high-grade aluminium, magnesium, and composite materials, these covers provide a perfect fit and long-lasting reliability while maintaining the clean, professional look expected from Porsche’s performance heritage.
Whether you’re restoring an air-cooled 911 or servicing a high-output 992, our manufacturer-quality components ensure leak-free operation and exceptional durability.
What Do Cylinder Head and Camshaft Covers Do?
These components serve as the protective shell for your engine’s valvetrain and upper oil channels. They keep contaminants out, manage internal pressure, and help maintain consistent lubrication.
Core Functions:
- Seal the upper engine area, preventing oil leaks and contamination.
- Protect the camshafts and valve train from debris and moisture.
- Regulate crankcase ventilation, supporting optimal engine breathing.
- Maintain correct oil flow for cooling and lubrication efficiency.
They are essential not only for reliability but also for maintaining the visual and mechanical integrity of your Porsche’s engine bay.
Why Do Cylinder Head / Camshaft Covers Fail?
Over time, heat, pressure, and oil exposure can degrade materials, seals, and gaskets. These issues can lead to leaks, poor ventilation, and even oil starvation in extreme cases.
Common Causes of Failure Include:
- Cracked or warped covers from repeated heat cycles.
- Degraded seals or gaskets, causing oil leaks.
- Loose or fatigued fasteners, leading to uneven sealing pressure.
- Blocked breather passages, increasing internal pressure.
- Corrosion or contamination in older engines.
Replacing worn covers and seals restores oil control, prevents leaks, and preserves long-term engine health.
Why Replace with Precision-Engineered Covers?
Upgrading or replacing your covers ensures your Porsche engine operates as intended — leak-free, properly ventilated, and visually clean.
Key Benefits:
- Restores sealing performance and eliminates oil leaks.
- Protects vital valvetrain components from dirt and debris.
- Maintains proper crankcase pressure and oil control.
- Crafted from premium materials for superior heat and corrosion resistance.
- Perfect fitment and finish, ensuring long-term reliability.
- Compatible with a wide range of Porsche models, from classics to modern GT cars.
Precision covers also contribute to the engine’s aesthetic, maintaining the refined look Porsche owners expect.
Highlights:
- High-strength cylinder head and camshaft covers for Porsche engines.
- Precision-machined sealing surfaces for long-term oil-tight performance.
- Manufacturer-quality materials – aluminium, magnesium, and composite options.
- Improved oil control and internal ventilation. Ideal for engine rebuilds, upgrades, or restorations.
- Compatible with air-cooled and water-cooled Porsche models.