A locking system (12) for a mold (14) includes a first mold half (20), a second mold half (22), and a lock assembly that is coupled to one of the mold halves (20, 22). The lock assembly includes a wear plate (80), that is disposed between the first mold half (20) and the second mold half (22), and an adjustment element (86), which is disposed between the wear plate (80) and one of the mold halves (20,22). The lock assembly also includes a wear plate locking fastener (84), that locks the position of the wear plate (80), and an adjustment fastener (88), which is separate therefrom and adjusts the position of the wear plate (80).