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Chains & Tensioners

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DISPLAYING 49 to 64 (of 69 products)
<< 2 3 4 5
99610516571/1
Product Information
Product Information
Tensioner Blade. Porsche 996 Turbo / 996 GT3 / 997 GT3

oematch

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

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99610516571
99610516571

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99610517753/1
Product Information
Product Information
Timing chain. 2 per engine. Sold each. OPEN Type

oematch

Fits:
Porsche 996 3.4L C2/C4 1998-01
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram Ref No 26.

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99610517753
25199
99610517753
99610517752
25393

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Special Order item
99610517158
Product Information
Product Information
Tooth-Type Timing Chain Used To Connect The Engine’s Crankshaft To The Intermediate Shaft (IMS).

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  



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99610517158
99610517156
99610517158

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99610517158/1
Product Information
Product Information
Tooth-type timing chain used to connect the engine’s crankshaft to the intermediate shaft (IMS).

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 orderTo assist with identification, our product images include a helpful comparison between the roller-type (duplex) chain and the tooth-type chain.

Diagram ref. 17.  



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99610517158
99610517156
99610517158

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Special Order item
99610517570
Product Information
Product Information
Timing chain guide bearing pin.

porsche

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

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Diagram ref no 22

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99610517570
99610517570
95910517501

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Special Order item
99610516804
Product Information
Product Information
Timing Chain Guide Rail.

porsche

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

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99610516804
99610516803
99610516804

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Special Order item
99610503
Product Information
Product Information
Timing Chain Guide Rail.

porsche

Fits:
Porsche 996 Turbo / Turbo S / GT2 / GT3 2001-2005
Porsche 997.1 Turbo / GT2 / GT3 / GT3 RS 2007-2009
Porsche 997.2 GT2 RS / GT3 / GT3 RS / GT3 RS 4.0 2010-2011

Click 'Zoom in' for large parts diagram.
Diagram ref no 30

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99610503
99610503775
99610503875

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SR222-GT3
Product Information
Product Information
Timing chain starp / support for Porsche 911

When assembling the case halves on the 911 engine STOMSKI RACING's SR222-GT3 Timing Chain Strap will prove instrumental in supporting the chain to allow easier mating of the halves. Proper length, radius bend, tension, and quality steel insure that this tool will provide reliable and consistent support for all your engine builds.

fits
• SR222-GT3 for the 996/997 GT2, GT3, and TT engines.
95910505204/1
Product Information
Product Information
Timing chain tensioner for camshaft.

oematch

Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 1999-05
Porsche 997.1 GT3 2007>>
Porsche 959

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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95910505204
95910505201
959105052014

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Special Order item
96410517703
Product Information
Product Information
Timing chain tensioner gasket. Sold each.

porsche

Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Porsche 996 Turbo 2001-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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96410517703
96410517703
577.960

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96410517703/1
Product Information
Product Information
Timing chain tensioner gasket. Sold each.

elring

Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Porsche 996 Turbo 2001-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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96410517703
96410517703
577.960

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Special Order item
95910505204
Product Information
Product Information
Timing chain tensioner for camshaft.

porsche

Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 1999-05
Porsche 997.1 GT3 2007>>
Porsche 959

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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95910505204
95910505201
95910505204

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Special Order item
99610517054
Product Information
Product Information
Timing chain. 2 per engine. Price is for each.

porsche

Fits:
Porsche 996 3.4L C2 / C4 1998-01
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram ref no 6.

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99610517054
99610517053
99610517054
99610517052
25396

The product you are viewing cross references to these numbers
99610517054/1
Product Information
Product Information
Timing Chain. 2 per engine

febi

Fits:
Porsche 996 3.4L C2 / C4 1998-01
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram Ref No 6.

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99610517054
99610517053
99610517054
99610517052
25396
50027067

The product you are viewing cross references to these numbers
Special Order item
99610517157
Product Information
Product Information
Timing chain. 1 per engine.

porsche

Fits:
Porsche 996 3.4L 1998-00
Porsche 986 Boxster 1997-01

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17.

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99610517157
99610517155
25394
99610517157

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99610517157/2
Product Information
Product Information
Timing chain. 1 per engine.

oematch

Fits:
Porsche 996 3.4L 1998-00
Porsche 986 Boxster 1997-01

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17.

Related reference numbers
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99610517157
99610517154
99610517155
99610517157
25394
50034371

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DISPLAYING 49 to 64 (of 69 products)
<< 2 3 4 5
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About Chains & Tensioners

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.

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