Civic DX Coupe L4-1590cc 1.6L SOHC MFI (1999)
Intake, Exhaust Stem Installed Height:
Standard (New): 53.17 - 53.64 mm (2.093 - 2.112 inch)
Service Limit: 53.89 mm (2.122 inch)
8. If the valve stem installed height is over the service limit, replace the valve and recheck. If its still over the service limit, replace the cylinder head;
the valve seat in the head is too deep.
