Chains & Tensioners

Fits:
- Porsche Boxster 986 2.7L 2001 - 2002
- Porsche Boxster 986 S 3.2 2001- 2002
Cars With Engine Codes:
M96.21 / M96.22 / M96.23 / M96.24
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
M96.25 / M96.26 / M97.20 / M97.21 / M97.22
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
M97.21 / M97.20 / M97.22
- Porsche Boxster 996 3.4L 2001
- Porsche Boxster 996 3.6L 2001- 2005
Cars With Engine Codes:
M96.01 / M96.02 / M96.03 / M96.04
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
Cars With Engine Codes:
M97.01 / M96.05
Diagram ref no 35
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518058
The product you are viewing cross references to these numbers
- 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 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
The Chain Tensioner Adjuster is an essential part of your engine’s timing system. Its role is to keep the timing chain under precise tension, ensuring smooth synchronization between the crankshaft and camshafts for accurate valve timing and dependable engine performance.
Over time, chain tensioners can weaken, leading to slack, noise, and timing irregularities. Left unchecked, this can cause severe engine damage. Replacing the adjuster restores proper chain tension, reduces rattling, and helps protect your engine from costly failures.
Fits:
- Porsche Boxster 986 2.7L 2001 - 2002
- Porsche Boxster 986 S 3.2 2001- 2002
Cars With Engine Codes:
M96.21 / M96.22 / M96.23 / M96.24
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
M96.25 / M96.26 / M97.20 / M97.21 / M97.22
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
M97.21 / M97.20 / M97.22
- Porsche Boxster 996 3.4L 2001
- Porsche Boxster 996 3.6L 2001- 2005
Cars With Engine Codes:
M96.01 / M96.02 / M96.03 / M96.04
- Porsche 997 Carrera 2 3.6L 2005>>
- Porsche 997 Carrera 2S 3.8L 2005>>
- Porsche 997 Carrera 4 3.6L 2005>>
- Porsche 997 Carrera 4S 3.8L 2005>>
M97.01 / M96.05
What This Product Does:
The chain tensioner adjuster is a key component in Porsche engines with timing chains. Its job is to keep the chain at the correct tension, ensuring the crankshaft and camshafts remain perfectly synchronized.
Functions:
- Maintains proper chain tension for precise valve timing.
- Reduces slack, vibration, and chain rattle.
- Prevents chain skipping or jumping teeth under load.
- Protects the chain, guides, and sprockets from premature wear.
- Rattling or metallic noise from the timing chain area, especially at cold start.
- Engine light from timing irregularities.
- Engine misfires or rough idle due to incorrect valve timing.
- Loss of performance or efficiency.
- In severe cases timing chain failure, which can cause catastrophic engine damage.
This part is critical to engine reliability. A worn or failing chain tensioner can lead to major timing issues, risking serious internal damage.
Replacing it ensures:
- Correct tension and timing accuracy.
- Reduced noise and vibration from the chain system.
- Long-term protection of the timing chain, guides, and engine.
Diagram Ref No 35
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518058
The product you are viewing cross references to these numbers
- 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 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


Fits:
Porsche 986 Boxster 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 996 C2 / C4 / C4S 2000>>
Porsche 997 MKI 2005-08
Click picture for large parts diagram.
Diagram Ref No 33.
- 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 3.6L 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 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
Fits:
Porsche 986 Boxster / S 1997-04 - x3 required
Porsche 987 Boxster / S 2005-08 - x3 required
Porsche 987 Cayman / S 2006-08 - x4 required
Porsche 996 Carrera 1998-05 - x3 required
Porsche 997-1 Carrera 2005-08 - x4 required
Diagram ref. 25.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970734440
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 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


Fits:
Porsche 996 Turbo 2000-2005
Porsche 996 GT3-1 1999-2005
Porsche 997 Gen 1 Turbo 2007-2009
Porsche 997 Gen 2 Turbo 2010-2013
Porsche 997 GT3-2 2007-2011
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99614722371
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13

1 per engine.

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 MKI Boxster 2005-08
Porsche 987C MKI Cayman 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 MKI Carrera 2005-08
Click picture for large parts diagram.
Diagram Ref No 19.
- 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 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08


Fits:
Porsche 986 Boxster / Boxster S 1997-04
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2006-08
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 C2 / C4 / C2S / C4S 2005-08 COUPE/CABRIO
Click picture for large parts diagram.
Diagram Ref No 18.
This product supersedes Porsche's old part numbers:
- 996 105 165 54.
- 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 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


Fits:
Porsche 986 Boxster / Boxster S 1997-04
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2006-08
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 C2 / C4 / C2S / C4S 2005-08 COUPE/CABRIO
Click picture for large parts diagram.
Diagram Ref No 22.
- 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 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


Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram Ref No 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610516571
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- 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 GT3 2007-09

Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram Ref No 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610516571
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- 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 GT3 2007-09


Fits:
Porsche 997.1 Turbo 3.6L 2007-09
Porsche 997.2 Turbo 3.6L 2010-13
Click 'Zoom in' for large parts diagram.
Diagram Ref No 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710516570
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13

Fits:
Porsche 986 Boxster 2.7L 2001>>2004
Porsche 986 Boxster S 3.2L 2001>>2004
Porsche 987.1 Boxster 2.7L MKI 2005>>2008
Porsche 987.1 Boxster S 3.2L MKI 2005
Porsche 987.1 Boxster S 3.4L MKI 2006>>2008
Porsche 987.1 Cayman 2.7L MKI 2005>>2008
Porsche 987.1 Cayman S 3.4L MKI 2006>>2008
Porsche 996 Carrera 3.4L 2001
Porsche 996 Carrera 4 3.4L 2001
Porsche 996 Carrera 3.6L 2002>>2004
Porsche 996 Carrera 4 3.6L 2002>>2004
Porsche 996 Carrera 4S 3.6L 2002>>2005
Porsche 996 Targa 3.6L 2002>>2005
Porsche 997.1 Carrera 3.6L MKI 2005>>2008
Porsche 997.1 Carrera S 3.8L MKI 2005>>2008
Porsche 997.1 Carrera 4 3.6L MKI 2006>>2008
Porsche 997.1 Carrera 4S 3.8L MKI 2006>>2008
Porsche 997.1 Targa 4 3.6L MKI 2007>>2008
Porsche 997.1 Targa 4S 3.8L MKI 2007>>2008
NOTE: For The 2001 Model Year, Porsche Replaced The Intermediate Shaft's Roller-Type (Duplex) Chain With A Tooth-Type Chain. This Listing Is For The Later Tooth-Type Chain And Is Not Compatible With Earlier Engines Equipped With The Roller-Type Chain.
While Unlikely, It's Possible That An Earlier Engine May Have Been Rebuilt And Upgraded To Use The Newer Chain Design. For This Reason, Design 911 Strongly Recommends Confirming Which Type Of Chain Your Engine Uses Before Placing An Order. To Assist With Identification, Our Product Images Include A Helpful Comparison Between The Roller-Type (Duplex) Chain And The Tooth-Type Chain.
Diagram Ref No 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517158
The product you are viewing cross references to these numbers
- 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 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
Fits:
Porsche 986 Boxster 2.7L 2001-04
Porsche 986 Boxster S 3.2L 2001-04
Porsche 987-1 Boxster 2.7L 2005-08
Porsche 987-1 Boxster S 3.2L 2005
Porsche 987-1 Boxster S 3.4L 2006-08
Porsche 987-1 Cayman 2.7L 2005-08
Porsche 987-1 Cayman S 3.4L 2006-08
Porsche 996-1 Carrera 3.4L 2001
Porsche 996-1 Carrera 4 3.4L 2001
Porsche 996-2 Carrera 3.6L 2002-04
Porsche 996-2 Carrera 4 3.6L 2002-04
Porsche 996-2 Carrera 4S 3.6L 2002-05
Porsche 996-2 Targa 3.6L 2002-05
Porsche 997-1 Carrera 3.6L 2005-08
Porsche 997-1 Carrera S 3.8L 2005-08
Porsche 997-1 Carrera 4 3.6L 2006-08
Porsche 997-1 Carrera 4S 3.8L 2006-08
Porsche 997-1 Targa 4 3.6L 2007-08
Porsche 997-1 Targa 4S 3.8L 2007-08
NOTE: For the 2001 model year, Porsche replaced the intermediate shaft's roller-type (duplex) chain with a tooth-type chain. This listing is for the later tooth-type chain and is not compatible with earlier engines equipped with the roller-type chain.
While unlikely, it's possible that an earlier engine may have been rebuilt and upgraded to use the newer chain design. For this reason, Design 911 strongly recommends confirming which type of chain your engine uses before placing an order. To assist with identification, our product images include a helpful comparison between the roller-type (duplex) chain and the tooth-type chain.
Diagram ref. 17.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517158
The product you are viewing cross references to these numbers
- 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 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


Fits:
Porsche 987 Boxster MKI 2005-08
Porsche 987 Cayman MKI 2005-08
Porsche 997 Carrera MKI 2005-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518602
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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


Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 3.6L 1999-05
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 3.6L / 3.8L / 4.0L 20096-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517570
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- 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 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13


Fits:
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2005-08
Porsche 996 C2/C4/C4S 3.6L 2002-05
Porsche 997 3.6L / 3.8L 2005-08 COUPE / CABRIO
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610516804
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- 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 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
Precision Timing Chains & Tensioners – Engine Synchronisation and Reliability for Porsche Models
The timing chain system is one of the most critical components of a Porsche engine, ensuring perfect synchronisation between the crankshaft and camshafts. This precise coordination allows valves to open and close at the right moment, maintaining smooth power delivery, fuel efficiency, and long-term engine health.
At Design911, we supply a comprehensive range of precision-engineered timing chains, guides, and hydraulic tensioners designed to meet or exceed manufacturer performance standards. Each component is manufactured from high-strength materials for exceptional wear resistance and durability — vital for high-revving, performance-oriented Porsche engines.
What Do Timing Chains and Tensioners Do?
A timing chain connects the crankshaft to the camshafts, ensuring accurate valve timing. The tensioner keeps the chain taut to prevent slack, vibration, or noise, maintaining precise timing under all load conditions.
Core Functions:
- Synchronise engine timing between the camshaft and crankshaft.
- Maintain valve timing accuracy for optimal combustion and power.
- Prevent chain slack and noise through hydraulic or spring-loaded tensioning.
- Ensure long-term reliability in both performance and everyday driving.
Together, these components preserve the exacting standards of Porsche engine operation — vital for both power and longevity.
Why Do Timing Chains and Tensioners Fail?
Over time, wear, oil degradation, and heat cycles can cause timing components to deteriorate. When neglected, they may stretch, seize, or lose tension — leading to severe engine damage.
Common Causes of Failure Include:
- Chain stretch or elongation, resulting in timing misalignment.
- Worn or leaking hydraulic tensioners, causing chain rattle on start-up.
- Contaminated or degraded engine oil, accelerating wear.
- Broken chain guides from heat stress or material fatigue.
- Insufficient oil pressure, reducing hydraulic tensioner performance.
A failing timing chain system can lead to poor performance, rough idling, check-engine lights, or — in extreme cases — catastrophic valve-to-piston contact.
Why Replace with Performance-Grade Timing Components?
Replacing aging timing components with manufacturer-quality parts ensures reliable valve timing, smoother operation, and peace of mind.
Key Benefits:
- Restores precise valve timing for peak performance and efficiency.
- Prevents engine noise and vibration caused by chain slack.
- Protects against catastrophic engine damage due to chain failure.
- Constructed from heat-treated, high-grade steel for long service life.
- Engineered to match original timing profiles for Porsche engines.
- Perfect fitment for classic air-cooled and modern water-cooled models.
Whether performing preventive maintenance or a complete rebuild, these timing chains and tensioners deliver race-ready reliability with road-tested durability.
Highlights:
- Precision-engineered timing chains, guides, and tensioners for Porsche engines.
- Restores timing accuracy and eliminates start-up rattle or misfire issues.
- Built from heat-treated alloy steel for maximum longevity.
- Hydraulic and mechanical tensioners available for various Porsche models.
- Ideal for performance rebuilds and preventative maintenance.
- Compatible with air-cooled and water-cooled Porsche engines.