986 - 987 - 996 Porsche 3.4 auf 3.9 liter upgrade Motorblock

This offer includes the following works and articles:

• Inspect supplied AT engine block for cracking and minimum required hardness.
• Clamp the engine block onto the CNC milling machine and completely remove the cast-in cylinder.
• Spindle the engine block completely and turn it up to install newly 3.9 liter nodular graphite cylinders.
• Clean supplied pistons - check - finish and coat with graphite for assembly.
• Make and deliver special hardened 3.9 liter piston rings.
• Deliver and install 3.9 liter crankshaft and connecting rods.
• Precise alignment of the entire later sealing surface and surface grinding for assembly.
• Subsequent quality control of all components.

HERE is a short info about the repair of our engine blocks