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Chain guide rail set. Porsche 911 1966-89 ❭ 91110522207
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
This set is for total timing chain system renewal on Porsche 911/914/964 flat-six engines. It includes one brown-type guide rail (part number 91110522205) plus five black-type guide rails (part number 91110522207) - the exact quantities required for a complete timing-train overhaul. Each rail is manufactured to match Porsche’s original specification in material, geometry and wear profile.
SET OF 6, includes:
1 × Guide Rail Brown – part no. 91110522205
5 × Guide Rails Black – part no. 91110522207
Fits:
Porsche 911 1966 - 1989
Diagram ref no 2
• Function: Ensures proper timing-chain alignment, guides chain over sprockets and tensioners, controls chain path geometry, minimises vibration/noise and extends chain & sprocket life.
Over time, guide rails degrade through wear, cracking, distortion or mis-alignment. If any single guide rail is worn or old, you risk chain vibration or changing chain geometry - potentially causing chain noise, accelerated wear of sprockets, timing drift or even catastrophic failure. By replacing all six guide rails (1 brown + 5 black) as a coordinated set, you ensure:
• Uniform wear and material condition across the entire chain path
• Balanced chain ride, consistent tension and accurate timing
• Reduced noise, less chain slap or vibration
• Longer service life for chain, sprockets and tensioners
• Peace of mind during a major engine service or rebuild
When to replace:
• Chain noise or slap detected during start-up or under load
• Visual inspection shows grooves, wear tracks, deformation or cracked guides
• You are performing a full engine bottom end or top-end rebuild
• The engine has high mileage or you’re restoring to full specification
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110522207
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.
TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550105
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Contents: Timing chain set (timing chain both shoes and screws), valve cover sealing set (see picture)

Fits:
Porsche 928 S 5.0 (85 - 94) two maintenance kits required
Porsche 928 S4 (86 - 91) two maintenance kits required
Porsche 928 GT (89 - 91) two maintenance kits required
Porsche 928 GTS (91 - 95) two maintenance kits required
Porsche 944 S (86-88)
Porsche 944 S2 (89-91)
Description:
The four-valve technology is one of the sensitive parts of these otherwise robust engines: A regular replacement of the chain and its sliding elements is essential to avoid major damage. Combined with the sealing kit for the valve cover, you will receive all the parts you need to carry out the repair professionally.
Note:
For many vehicles over the years for cost reasons, only the upper shoe and the chain was changed. But even the lower shoe enters and becomes porous. Therefore, better anticipate the risk and take a look under the valve cover.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1232
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550105
The product you are viewing cross references to these numbers
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