Date-Coded Spark Plug Wire Set for A-Body 1967 383 V8 & C-Body 1967 440 V8 High Performance Engines, Date-Coded 1st Qtr 1967 (1-67). 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.