At 9SR, we are all about engine rebuilds, restorations, and precision fault diagnostics.
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With deep expertise in Porsche engines, we know their weak spots inside and out, ensuring long-term reliability of our work by using genuine Porsche tools and specialist techniques.
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From the legendary air-cooled engines and GT models, built on Porsche’s first race engines, to the modern water-cooled 911s, and even the latest Cayenne, Macan, Panamera V6/V8s - we’ve mastered the common faults across the range.
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Every rebuild is tailored to the unique needs of each engine, with bespoke parts and labour.
Get in touch to discuss your specific requirements.
Engine Rebuilds​
IMS Bearing
Air-cooled - we are able to resolve anything from a minor leak to top-end rebuild and the full refresh engine rebuild.
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Water-cooled - bore scoring, cylinder work or IMS bearing - we know the specifics and will not only rebuild it but also improve it.
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Turbo engines - despite being one of the best engine builds, we can still resolve issues like oil leaks, timing chain or turbochargers.
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Bespoke engine builds - we do modification and upgrade kits for custom builds.
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V6/V8 Cayenne - all repairs including bore scoring, stretched timing chain and major oil leaks.
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The M96 and M97 well-known engine failures can be timely prevented by an IMS bearing upgrade.
An engine preservation modification on its own, the IMS upgrade is also popular when clutch replacement is undertaken or to fix a major oil leak from the IMS plate seal.
We will advise you on the different repair options depending on your gearbox type and choice of replacement parts:
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basic replacement
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IMS Retrofit​ Single Row Pro (warrenty included)
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LN Engineering kit (warrenty included)
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*For the most cost efficient way of preserving the health of your engine, we recommend the following bearing upgrades:
- together with clutch replacement for manual gearboxes
- repairing the oil leak from the tiptronic rear case