Porsche Closed Decking ServiceFor Porsche M96 3. 4L and 3. 6L Engines Our Closed Decking service for Porsche M96 3. 4L and 3. 6L engines is designed to reinforce the engine's structural integrity by supporting the cylinder walls at their weakest pointwhere combustion occurs. This process involves machining the top plane of the engine case to accept precision CNC machined inserts. These inserts provide complete support to the cylinder walls, helping to prevent cylinder flex and
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