Head overhaul

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When overhauling a 30 year (or more) old cylinder head at first the head need to be disassembled and analyzed completely.


After the chemical cleaning all valves will be seated (if needed also the valve seats will be milled) and the cylinder head will be faced.

After the cylinder head is mechanically preassembled all the parts belonging to the valve timing will also be chemically cleaned.

The assembly will be done in strict accordance with the specifications from Nissan and with new sealings and shaft seal rings.