*No class division between piston pins and connecting rods (only class 0 exists).
Since the markings on a part reflect its original dimensions, do not refer to them if the part is being reused.
If the part is reused or has been machined, take measurements and calculate its grade according to the selection table in this manual.
Methods for measuring and using old parts, how to select new parts - see the relevant sections of this manual for more details.