Valve Guide

Valve stem diameter
In
Standard 5.965 - 5.980 mm (0.2348 - 0.2354 inch)
Ex 5.940 - 5.955 mm (0.2339 - 0.2344 inch)
Valve guide I.D.
In & Ex
Standard 6.000 - 6.012 mm (0.2362 - 0.2366 inch)
Stem-to-guide clearance
In
Standard 0.020 - 0.047 mm (0.0008 - 0.0018 inch)
Limit 0.07 mm (0.0027 inch)
Ex
Standard 0.045 - 0.072 mm (0.0018 - 0.0028 inch
Limit 0.09 mm (0.0035 inch)