911 Carrera 4S Coupe AWD F6-3600cc 3.6L SOHC (1997)
Valve Guide: Specifications
Wear Measurement
Dimensional Specifications
Wear Limit:
Inlet Guide ..................................................................................................................................................................................................... 0.80 mm
Exhaust Guide ................................................................................................................................................................................................ 0.80 mm
NOTE: Any ovality in the entry section of the valve guides may be disregarded.