The RSS “950/30 - Light Weight" Series 2pt Harness Bar (Black) for 981 Cayman / GT4 / 718, was designed for the "Weight conscious Porsche owners who know that ounces equal pounds and pounds reduce performance." Engineered to maximize function, add rigidity, minimize added weight (+7 lbs), offer generous occupant seating space and integrate with interior. The Bar is a safety inspired design which secures safety harnesses directly behind the occupants shoulders. One piece bar design that mounts to the chassis cross member and does not effect rearward visibility. The Bar allows generous seat base travel with standard, OE bucket or racing bucket seats. Retains use of factory seat belts. Bolt-In installation, carpet, panel and tab trimming is required, Professional installation is recommended for a factory installed look. Designed, constructed and powder coated at RSS utilizing 1.50 inch DOM with precision cut reinforced mounting plates. Patent Pending Design.