this is called agrinding stick because it is used for sticking on the cylinder head inlet and exhaust valve heads to lap them in with grinding paste on heads without lead free inserts--valves usually do not need grinding in when new and fitted to new lead free seats
this is called agrinding stick because it is used for sticking on the cylinder head inlet and exhaust valve heads to lap them in with grinding paste on heads without lead free inserts--valves usually do not need grinding in when new and fitted to new lead free seats
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