Date-Coded Spark Plug Wire Set for A-Body, B-Body & E-Body 1972 318 & 340 V8 Engines & C-Body 318 Engine without Electronic Ignition, Date Coded 1st Qtr 1972 (1-72). Mopar Authentic Restoration Product - all wires are stamped with date code (same as OEM wires); illustration shown may not show date codes, and is for display purposes only.