Valve Stem Oil Seals
Use Installer Set (49-L012-0A0) to install valve seals. See Fig 1. Adjust installer dimension "L" to seal depth of .720-.744" (18.3-18.9 mm). Using hand pressure ONLY, install seal until it contacts cylinder head. Lightly oil valve seal lip.
NOTE:
Use only new exhaust valve guides to replace intake or exhaust valve guides.