If you’re starting to get into serious racing then that also means you are putting yourself at serious risk. One of the most likely as well as the worst injuries you can get in a high speed racing crash is damage to the neck. A hard enough jolt could be fatal. After #3 left us almost all major racing series F1, NASCAR, and Indy Car made the Hans Device manditory.
The Hans Device is a carbon fiber brace that attaches to your helmet which will greatly reduce the forces on your neck and shoulders should you have an impromptu meeting with the wall. Its pricy but this gadget will greaty reduce your chances of heading up to that big race track in the sky before your time.