The G-LOC GS-1 is our high-performance street compound. GS-1 produces very little dust and very little noise, while maintaining excellent initial bite and torque for street use. GS-1 has been unmatched in the industry for disc/rotor friendliness as well as its longevity. This compounds excellent performance on the street provides incredible braking force without ABS intervention. G-LOC GS-1 operating range starts at ambient up to 800F (426C). GS-1 is suitable for ALL street cars, tow vehicle, fleet vehicle, and armored vehicles. G-LOC GS-1 is NOT recommended for ANY track use.