Available in five (5) sizes, 14", 15", 16", 17", 18.5". Kit consists of aluminum seat with black cloth cover. 20 degree layback. MIG welded from .100" and .190" thick 5052 grade aluminum. Unique three piece design allows for maximum vertical adjustment. Shoulder and Back adjusts 2-1/2" vertically. Head Restraint adjusts additional 3/4" vertically. Reinforced head and shoulder restraints for additional support. Energy absorbing impact padding on head restraint. Head designed for easy entry and exit from race car. Designed to accommodate all head and neck restraint systems. Designed to accommodate 5 or 6 point seat belts. Molded rubber inserts for all seat belt openings. Easy to install black cloth cover. Contoured high-density foam bottom provides inner thigh support. Modular design allows for lower shipping costs. Replacement cover available.