A8L Quattro Sedan V8-4.2L (AUX) (2001)
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Valve Seat: Specifications
Minimum dimensions
Outer Intake Valve ........................................................................................................................................................................... 34.0 mm (1.338 inch)
Center Intake Valve ......................................................................................................................................................................... 33.7 mm (1.326 inch)
Exhaust Valve .................................................................................................................................................................................. 34.4 mm (1.354 inch)
The measured distance minus the minimum dimension equals the maximum permissible refacing dimension.
