LEADING FUTURE SAFETY
At GSB, we design and manufacture custom seat belts, safety harnesses, and restraint systems engineered for protection, reliability, and performance. With over 50 years of experience, we combine advanced technology, premium materials, and ISO-certified quality to deliver safety systems trusted across automotive, industrial, and motorsport industries.
LEADING FUTURE SAFETY
At GSB, we design and manufacture custom seat belts, safety harnesses, and restraint systems engineered for protection, reliability, and performance. With over 50 years of experience, we combine advanced technology, premium materials, and ISO-certified quality to deliver safety systems trusted across automotive, industrial, and motorsport industries.
designing, developing and manufacturing safety belts
For decades, GSB has been a trusted custom seat belt manufacturer and safety partner to top OEMs and innovators worldwide. From custom-colored seat belts to custom retractors, our team of experienced engineers designs custom restraint systems that meet or exceed global regulations and adapt to your product’s specific safety needs.
Why Choose Us?
Molding the future of safety harnesses
GSB designs and manufactures high-performance custom safety harnesses for motorsport, off-road, commercial, industrial and military applications. From FIA approved racing systems to mission-ready restraint solutions, every harness is engineered for strength, reliability, and precision fit.
As an FIA approved manufacturer, our competition harnesses meet strict international standards and are trusted by professional teams worldwide. In 2026, GSB has participated in the Dakar Rally—one of the most demanding endurance events on the planet—demonstrating our commitment to real-world performance under extreme conditions.
SimRacing GSB
Our legacy in safety and performance engineering has driven us to create a premium line of SimRacing products. Born from our expertise in real-world motorsport harnesses and safety solutions, our SimRacing division delivers authentic racing experiences with equipment designed for realism, durability, and competitive edge.
We specialize in high-performance SimRacing harnesses and seats, engineered to replicate the feel of real racing gear while maximizing comfort and control. Whether you’re a professional racer or a passionate simracing enthusiast, our products combine innovation, precision design, and premium materials to elevate every simulation to the next level.
The quality that define us
ISO CERTIFICATION
We are ISO 9001 and ISO 14001 certified. By being an ISO certified company, GSB ensures that our products consistently meet customer requirements, and that the highest quality level is consistent. Our Quality Management System is certified by a third party auditing company, and also audited by our largest automotive industry customers. We are available to answer any questions about our extensive quality processes.
IN-HOUSE TESTING
In addition to certifying our internal quality processes, we test our products to the highest international standards. Our engineering and comprehensive testing lab allows us to easily test your product for safety. Having these capabilities helps us cut the development lead-time to get your product to market quickly, and assure that your product meets all applicable regulations.
HOMOLOGATIONS
All of our seat belts and harnesses are certified to meet or exceed the following regulations, depending on their application and target market: ECE R16, 77/541/ECE,ECE R44, ECE 118, ADR4, FMVSS 209, FMVSS 302, SAE J386, SAE J2292, FIA 8853/98, FIA 8854/98, 28/95, SFI.
What we can offer you
What we can offer you
