Professional bowlers never overlook a bowling ball’s core type. Yes, the majority of the ball’s performance depends on the coverstock. But the core plays a significant role to store the ball’s energy to unleash on the pins. Asymmetrical cores are best at doing this. This core type also gives the ball a nice rev rate and hooks the ball more. When a ball hooks more with full energy in it, the possibility of strikes and spares get increased. Hence, an asymmetrical core is best for professionals.