944 S L4-2479cc 2.5L DOHC (1987)
Installation length
Inlet valve
38.0 + 0.5 mm
Exhaust valve 37.0 + 0.5 mm
6.
The installation length can be adjusted using shims.
7.
The valves must not be mixed up again after measurement.
Porsche Workshop Service and Repair Manuals
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