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Chains & Tensioners
By OE Match
Refine by Car Type
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Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- 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
Information
Timing chain tensioner blade
OE Match replacement chain guide used within the engine timing system. It provides the wear surface the timing chain runs against while the hydraulic tensioner maintains correct chain tension. It supports and guides the timing chain, helping the tensioner maintain stable chain tension and reducing chain slap. This helps protect timing accuracy and contributes to quieter, smoother engine operation.
Sold each, 2 required per vehicle
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2002
Diagram ref no 30.
This OE Match tensioner blade is manufactured to OE-equivalent dimensions and guide profile to ensure correct chain tracking and compatibility with the original timing components. As the chain runs over the guide, the blade’s engineered surface minimises friction and noise while resisting wear from constant high-speed chain contact. It’s a key service item for M96 timing systems - ideal for rebuilds or preventative maintenance where aged guide material may become brittle or worn.
Fitted inside the timing case, the blade acts as a controlled contact surface for the chain while the tensioner applies pressure to keep the chain correctly tensioned. Maintaining proper guide condition helps prevent excessive wear debris and reduces the risk of poor chain control over time.
Tensioner blades are wear components. As they age, the guide surface can wear and shed material, which can affect chain control and create debris in the oil system. Renewing worn guides helps maintain stable timing chain behaviour and supports long-term timing system reliability.
When to replace:
• During engine rebuild / timing service
• Evidence of guide wear or debris in oil (plastic particles)
• Timing system noise that indicates chain slap/rattle
• High-mileage preventative maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517552
The product you are viewing cross references to these numbers
OE Match replacement chain guide used within the engine timing system. It provides the wear surface the timing chain runs against while the hydraulic tensioner maintains correct chain tension. It supports and guides the timing chain, helping the tensioner maintain stable chain tension and reducing chain slap. This helps protect timing accuracy and contributes to quieter, smoother engine operation.
Sold each, 2 required per vehicle
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2002
Diagram ref no 30.
This OE Match tensioner blade is manufactured to OE-equivalent dimensions and guide profile to ensure correct chain tracking and compatibility with the original timing components. As the chain runs over the guide, the blade’s engineered surface minimises friction and noise while resisting wear from constant high-speed chain contact. It’s a key service item for M96 timing systems - ideal for rebuilds or preventative maintenance where aged guide material may become brittle or worn.
Fitted inside the timing case, the blade acts as a controlled contact surface for the chain while the tensioner applies pressure to keep the chain correctly tensioned. Maintaining proper guide condition helps prevent excessive wear debris and reduces the risk of poor chain control over time.
Tensioner blades are wear components. As they age, the guide surface can wear and shed material, which can affect chain control and create debris in the oil system. Renewing worn guides helps maintain stable timing chain behaviour and supports long-term timing system reliability.
When to replace:
• During engine rebuild / timing service
• Evidence of guide wear or debris in oil (plastic particles)
• Timing system noise that indicates chain slap/rattle
• High-mileage preventative maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517552
99610517552
The product you are viewing cross references to these numbers
Price: £22.00
In stock
Vehicle Group
- 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 / GT3 RS 2007-09
Information
Tensioner Blade. Porsche 996 Turbo / 996 GT3 / 997 GT3
Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 GT3 2007-11
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
Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 GT3 2007-11
Diagram Ref No 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610516571
99610516571
The product you are viewing cross references to these numbers
Price: £36.91
In stock
Vehicle Group
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Timing chain. 2 per engine. Sold each. OPEN Type
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517753
The product you are viewing cross references to these numbers
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517753
25199
99610517753
99610517752
25393
The product you are viewing cross references to these numbers
Price: £60.00
In stock
Vehicle Group
- 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
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 2005 - 2008
Porsche 987-1 Boxster S 3.2L 2005
Porsche 987-1 Boxster S 3.4L 2006 - 2008
Porsche 987-1 Cayman 2.7L 2005 - 2008
Porsche 987-1 Cayman S 3.4L 2006 - 2008
Porsche 996-1 Carrera 3.4L 2001
Porsche 996-1 Carrera 4 3.4L 2001
Porsche 996-2 Carrera 3.6L 2002 - 2004
Porsche 996-2 Carrera 4 3.6L 2002 - 2004
Porsche 996-2 Carrera 4S 3.6L 2002 - 2005
Porsche 996-2 Targa 3.6L 2002 - 2005
Porsche 997-1 Carrera 3.6L 2005 - 2008
Porsche 997-1 Carrera S 3.8L 2005 - 2008
Porsche 997-1 Carrera 4 3.6L 2006 - 2008
Porsche 997-1 Carrera 4S 3.8L 2006 - 2008
Porsche 997-1 Targa 4 3.6L 2007 - 2008
Porsche 997-1 Targa 4S 3.8L 2007 - 2008
Diagram ref. 17
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517158
The product you are viewing cross references to these numbers
Fits:
Porsche 986 Boxster 2.7L 2001 - 2004
Porsche 986 Boxster S 3.2L 2001 - 2004
Porsche 987-1 Boxster 2.7L 2005 - 2008
Porsche 987-1 Boxster S 3.2L 2005
Porsche 987-1 Boxster S 3.4L 2006 - 2008
Porsche 987-1 Cayman 2.7L 2005 - 2008
Porsche 987-1 Cayman S 3.4L 2006 - 2008
Porsche 996-1 Carrera 3.4L 2001
Porsche 996-1 Carrera 4 3.4L 2001
Porsche 996-2 Carrera 3.6L 2002 - 2004
Porsche 996-2 Carrera 4 3.6L 2002 - 2004
Porsche 996-2 Carrera 4S 3.6L 2002 - 2005
Porsche 996-2 Targa 3.6L 2002 - 2005
Porsche 997-1 Carrera 3.6L 2005 - 2008
Porsche 997-1 Carrera S 3.8L 2005 - 2008
Porsche 997-1 Carrera 4 3.6L 2006 - 2008
Porsche 997-1 Carrera 4S 3.8L 2006 - 2008
Porsche 997-1 Targa 4 3.6L 2007 - 2008
Porsche 997-1 Targa 4S 3.8L 2007 - 2008
Diagram ref. 17
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517158
99610517156
99610517158
The product you are viewing cross references to these numbers
Price: £112.60
In stock
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Timing chain guide.
OE Match timing chain guide designed to replicate the original Porsche factory component used in the timing chain system of certain Porsche flat-six engines. It provides a smooth, wear-resistant surface against which the timing chain runs, helping maintain correct chain alignment and reduce noise.
Sold each, 2 required per engine.
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2001
Diagram Ref No 33.
The timing chain guide provides a guided surface for the timing chain, helping it run smoothly over the cam and crank sprockets. It helps minimize vibration, reduce “chain slap,” and maintain correct chain tracking as the chain cycles through its range of motion.
Function: Installed within the timing cover/case, the guide sits along the chain’s routing path and offers a stable, sliding surface that interacts with the chain links. In conjunction with the timing chain tensioner (such as part 99610517552), it helps maintain correct chain tension, reduces wear on both the chain and sprockets, and supports quiet, efficient engine operation.
Timing chain guides are wear items subject to constant chain contact and engine vibration. Over time, original guides can wear unevenly, crack, or shed material - which can lead to chain noise, reduced tension stability, and accelerated wear on the chain and sprockets. Replacing worn guides with an OE Match component helps preserve timing accuracy and reduces the risk of serious timing system damage.
When to replace:
• Engine exhibits chain rattle or timing noise
• Original guides are cracked, worn, or contaminated
• Timing system is being serviced or rebuilt
• During high-mile preventive maintenance
• After tensioner service or replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517353
The product you are viewing cross references to these numbers
OE Match timing chain guide designed to replicate the original Porsche factory component used in the timing chain system of certain Porsche flat-six engines. It provides a smooth, wear-resistant surface against which the timing chain runs, helping maintain correct chain alignment and reduce noise.
Sold each, 2 required per engine.
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2001
Diagram Ref No 33.
The timing chain guide provides a guided surface for the timing chain, helping it run smoothly over the cam and crank sprockets. It helps minimize vibration, reduce “chain slap,” and maintain correct chain tracking as the chain cycles through its range of motion.
Function: Installed within the timing cover/case, the guide sits along the chain’s routing path and offers a stable, sliding surface that interacts with the chain links. In conjunction with the timing chain tensioner (such as part 99610517552), it helps maintain correct chain tension, reduces wear on both the chain and sprockets, and supports quiet, efficient engine operation.
Timing chain guides are wear items subject to constant chain contact and engine vibration. Over time, original guides can wear unevenly, crack, or shed material - which can lead to chain noise, reduced tension stability, and accelerated wear on the chain and sprockets. Replacing worn guides with an OE Match component helps preserve timing accuracy and reduces the risk of serious timing system damage.
When to replace:
• Engine exhibits chain rattle or timing noise
• Original guides are cracked, worn, or contaminated
• Timing system is being serviced or rebuilt
• During high-mile preventive maintenance
• After tensioner service or replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517353
99610517353
The product you are viewing cross references to these numbers
Price: £25.00
In stock
Vehicle Group
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
Information
Timing chain tensioner for camshaft.
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95910505204
The product you are viewing cross references to these numbers
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95910505204
95910505201
959105052014
The product you are viewing cross references to these numbers
Price: £215.00
In stock
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Timing chain. 1 per engine.
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
Related, superseded, cross reference or alternative numbers for comparison.
99610517157
The product you are viewing cross references to these numbers
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
Related, superseded, cross reference or alternative numbers for comparison.
99610517157
99610517154
99610517155
99610517157
25394
50034371
The product you are viewing cross references to these numbers
Price: £33.00
In stock
Vehicle Group
- 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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Engine timing chain. CLOSED TYPE.
OE Match replacement engine timing chain - also referred to as the camshaft/intermediate shaft timing chain - designed to replicate the original Porsche timing chain used in the engine timing drive system of early 911 (996) and Boxster engines.
2 per engine. Sold each.
Fits:
Porsche 996 3.4L C2/C4 1998 - 2001
Porsche 986 Boxster 1997 - 2004
Diagram Ref No 26.
The timing chain ensures precise mechanical synchronization between critical rotating components of the engine - primarily the crankshaft and camshafts (and in some layouts, the intermediate shaft). It maintains the correct timing of valve opening and closing events relative to piston position, which is vital for efficient combustion, smooth engine operation, and proper power delivery.
Function:
• Synchronises rotation of the crankshaft and camshafts
• Maintains correct valve timing for intake and exhaust events
• Transfers mechanical drive through intermediate gears/shafts
• Supports reliable engine performance and emissions control.
A worn or elongated timing chain can cause timing errors, engine noise, rough running, or in more severe cases, engine damage if the timing relationship is lost.
The timing chain is a critical engine component. Over long service intervals and high mileage, the chain can stretch or wear, leading to slack, improper timing, and noisy operation. If not addressed, timing chain issues can cause:
• Engine noise (chain rattle)
• Poor idle and power delivery
• Timing inaccuracies affecting combustion
• Potential engine damage if timing is lost.
Replacing worn chains with an OE Match unit helps ensure accurate timing, preserves engine performance, and protects other internal engine components.
When to replace. Replace the timing chain when:
• There is rattling or slapping noise from the timing cover area
• Timing chain slack is detected in inspection
• You are performing an engine rebuild or overhaul
• Timing tensioner or guides show wear
• Irregular idle or misfires suggest timing drift
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517753
The product you are viewing cross references to these numbers
OE Match replacement engine timing chain - also referred to as the camshaft/intermediate shaft timing chain - designed to replicate the original Porsche timing chain used in the engine timing drive system of early 911 (996) and Boxster engines.
2 per engine. Sold each.
Fits:
Porsche 996 3.4L C2/C4 1998 - 2001
Porsche 986 Boxster 1997 - 2004
Diagram Ref No 26.
The timing chain ensures precise mechanical synchronization between critical rotating components of the engine - primarily the crankshaft and camshafts (and in some layouts, the intermediate shaft). It maintains the correct timing of valve opening and closing events relative to piston position, which is vital for efficient combustion, smooth engine operation, and proper power delivery.
Function:
• Synchronises rotation of the crankshaft and camshafts
• Maintains correct valve timing for intake and exhaust events
• Transfers mechanical drive through intermediate gears/shafts
• Supports reliable engine performance and emissions control.
A worn or elongated timing chain can cause timing errors, engine noise, rough running, or in more severe cases, engine damage if the timing relationship is lost.
The timing chain is a critical engine component. Over long service intervals and high mileage, the chain can stretch or wear, leading to slack, improper timing, and noisy operation. If not addressed, timing chain issues can cause:
• Engine noise (chain rattle)
• Poor idle and power delivery
• Timing inaccuracies affecting combustion
• Potential engine damage if timing is lost.
Replacing worn chains with an OE Match unit helps ensure accurate timing, preserves engine performance, and protects other internal engine components.
When to replace. Replace the timing chain when:
• There is rattling or slapping noise from the timing cover area
• Timing chain slack is detected in inspection
• You are performing an engine rebuild or overhaul
• Timing tensioner or guides show wear
• Irregular idle or misfires suggest timing drift
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517753
99610517753
99610517752
The product you are viewing cross references to these numbers
Price: £60.00
In stock
Vehicle Group
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
Information
Timing Chain. 2 per engine. Price is for each
Fits:
Porsche 996 Turbo 2001-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610555271
The product you are viewing cross references to these numbers
Fits:
Porsche 996 Turbo 2001-05
Click 'Zoom in' for large parts diagram.
Diagram Ref No 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610555271
99610555271
50034374
The product you are viewing cross references to these numbers
Price: £92.00
In stock
Also found on these pages
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camshaft driving mechanism 996 CARRERA 2/4/4S M96.01/02/04 UPTO 2001 103-10
-
camshaft driving mechanism 996 CARRERA 2/4/4S M96.03 2002 ONWARDS 103-11
-
chain case, chain adjuster 996 TURBO 2001-05 103-05
-
valve control 996 TURBO 2001-05 103-15
-
chain case, chain adjuster 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 103-05
-
valve control 996 GT3-1 M96.76 2000-01 and 996 GT3-1/GT3 RS M96.79 2004-05 103-15
About Chains & Tensioners
OEMatch Chains & Tensioners — Fit, Function, Confidence
Timing chains, guides and tensioners keep a Porsche engine’s valve timing correct across a wide range of operating conditions. This group of parts is specified for durability and stable timing under load; replacement is common during major service or when symptoms such as rattle, rough idle or diagnostic codes point to timing system wear.
Available Types- Timing chains for petrol engines
- Tensioner kits, hydraulic and mechanical
- Chain guides and rails
- Complete timing chain kits with seals and fasteners
Understanding OEMatch Chains & Tensioners
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original chains & tensioners.
OE (Original Equipment) refers to parts matching original specifications for the chains & tensioners and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM chains & tensioners engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. In practice, the timing chain system synchronises the crankshaft and camshafts, the guides control chain run and alignment, and the tensioner maintains correct chain tension to prevent slack, noise and timing drift under varying oil pressure and temperature conditions.
OE (Original Equipment) refers to parts matching original specifications for the chains & tensioners and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM chains & tensioners engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. In practice, the timing chain system synchronises the crankshaft and camshafts, the guides control chain run and alignment, and the tensioner maintains correct chain tension to prevent slack, noise and timing drift under varying oil pressure and temperature conditions.
Benefits Include
- Restores accurate valve timing and smoother running
- Reduces start-up rattle and in-service chain noise
- Limits the risk of valve-to-piston contact from excessive chain slack
- Chain stretch or elongation from long service life
- Worn or leaking hydraulic tensioners losing damping or pressure
- Abrasion or breakage of guides due to heat and contamination
- Oil degradation or low oil pressure accelerating component wear
The Importance of Replacing with OEMatch Chains & Tensioners
Timely replacement protects the engine from progressive damage and helps preserve performance and drivability. Using correctly specified chains, guides and tensioners reduces the chance of unexpected failure during operation and supports consistent timing across the rev range. OEMatch provides a wide selection of Porsche components, cataloguing over 4,000 part numbers and more than 8,700 OE cross-references to assist repairs across different model generations.
Advantages
- Parts matched to Porsche timing-system specifications where applicable
- Options for hydraulic and mechanical tensioning arrangements
- Complete kits simplify overhaul work by including guides, seals and fixings
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