- 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
Comprehensive Engine Timing Chain Kit for M97.01 and M96.05 Engines
Restore the integrity of your engine’s timing system with this complete timing chain kit. First generation 997 engines are equipped with 3 chains. This kit replaces all chains along with the associated guides, tensioners, and hardware for a full system refresh.
Fits:
- Porsche 997 Carrera 3.6L 2005-2008
- Porsche 997 Carrera S 3.8L 2005-2008
What is an Engine Timing Chain?
The timing chain is a vital component in an internal combustion engine, responsible for synchronizing the rotation of the crankshaft and camshafts. This precise coordination ensures that engine valves open and close at the correct times during each cylinder’s intake and exhaust strokes, allowing for smooth performance and efficiency.
While designed to last the lifetime of the engine, timing chains can wear, stretch, or become damaged. A worn chain can alter engine timing, strain the tensioners, and, if left unaddressed, lead to catastrophic engine damage and costly repairs.
Why Replacement Matters:
The timing chain system is crucial for synchronising crankshaft and camshaft timing. Mis-timed engine can lead to loss of power, increased emissions or catastrophic internal damage. Over time chains stretch, guides wear and tensioners degrade, compromising timing accuracy. A full timing chain replacement restores correct timing, enhances engine reliability and protects against future costly repairs.
When and why to replace:
• Audible chain rattle on start-up or at idle.
• Engine mis-timing faults, camshaft sensor codes or rough running.
• Visible chain guide wear or damaged tensioners during disassembly.
• High-mileage engine (> 80,000–100,000 km) where original timing system is aging.
• During an engine rebuild or major service when access to timing system is available.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
ENGINEKIT997
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This kit is comprised of the following items:
