This is a Grade 5 Titanium 10mm Cap Nut that is intended for the valve cover but can be used on any M6X1 stud or application that allows a closed nut.
Open end M6X1 nuts are also available
This is a Grade 5 Titanium 10mm Cap Nut that is intended for the valve cover but can be used on any M6X1 stud or application that allows a closed nut.
Open end M6X1 nuts are also available