NecksGen REV 3In Head RestraintNecksGen REV 3In Head RestraintThe NecksGen REV 3In Head Restraint from NECKSGEN is designed to support driver protection in demanding motorsports environments. It is a strong choice for racers who want serious safety equipment with track focused functionality. Key Features: Head and Neck Support REV SFI 38. 1 Composite Kit Note: Always confirm current sanctioning body rules, certification requirements, and sizing before competition use.