吸気バルブ

Inlet (and exhaust especially) valves have a hard life, and eventually become brittle and beyond a simple valve grind to restore the engines full performance. This is the point where new valves make more sense, especially if carrying out a full cylinder head or complete engine re-build

To ensure all the parts required have been ordered valves, valve springs, valve stem seals etc, check out the online fiche for this model?

• New valves are less likely to break with the resultant damage to piston, bore etc.