The length of a straight line which passes through the center of the cylinder /engine, compressor, or the like/, and terminates at the inside diameter.
M2059A Piston Ring Set
Mfr. Cage 61208
ACXZStandard Bore Diameter
Ring Set, Piston, also referenced with federal logistics item name code 16116 - Two or more complete ring, piston grouped for a single piston or for all pistons of an internal combustion engine, air compressor, or the like.