911 Turbo AWD F6-3600cc 3.6L SOHC Twin Turbo (1997)
Valve Guide: Specifications
Replacement
Guide Fitting Specifications
Dimension "d" Of Valve Guide:
Standard: 13.060 mm
Oversize: 13.000 To 13.018 mm
Dimension "D" Of Cylinder Head:
Standard: 13.260 mm
Oversize: 13.000 To 13.200 mm
Press Fit Of Guide To Head: 0.06 to 0.08 mm
Guide Protrusion Into Valve Spring Pocket: 16.2 to 16.5 mm
Guide ID, Dimension "g": 8.00 to 8.15 mm
E Exhaust:
Overall Length: 55.00 to 55.40
Length of Step: 17.20 to 17.07
A Intake
Overall Length: 56.00 to 56.40
