This is a Grade 5 titanium m6x1 16 pack of bolt/nuts for K Series K20a K24a oil pans with the option of all bolts or bolts/nuts
Hex head nuts with Allen head bolts for all steel pans including moroso this will not work on aluminum pans
Available in
14 pack of bolts and 2 nuts
16 pack of bolts
The 3 shorter bolts go on the timing chain cover side of oil pan