The KIRKEY Open Wheel Containment Seat offers the latest in racing seat technology. Designed for the serious racer who demands the very best in safety and comfort from a name they can trust. Comes with adjustable head and shoulder restraints. Since head and shoulder restraints are adjustable, it allows the individual to construct a custom fit seat without the custom seat price or delivery time. Tubular head restraint height is easily adjusted using ther pre-drilled holes. Shoulder restraint height and width are easily adjusted using the pre-milled slots in the seat. Features: Unique design makes adjustments possible. Designed to accomodate all head and neck restraints systems. Reinforced head and shoulder restraint system with energy absorbing impact foam. Head restraint is shorter on the left-hand side to ease vehicle entry and exit. Elongated bottom for added support. Strategically placed flared openings to lighten and strengthen seat. Padded rib supports for extra driver comfort. Rib supports strengthened with welded formed plate. Offset aluminum extrusion around perimeter of seat for added rigidity. Comes with universal mounting brackets. Accomodates six point seat belts.