Torco® – RGO Racing Gear Oil Premium racing grade formula Excellent thermal and shear stability High shock load and extreme pressure chemistry Extends life of all drive components Meets or Exceeds: API GL-6 Related posts: Royal Purple® – API-Licensed™ Multi-Grade High Performance Motor Oil Royal Purple® – HPS™ High Performance Street Synthetic Motor Oil Royal Purple® – Break-in™ 1 Quart Engine Oil Bottle Torco® – SGO Synthetic Racing Gear Oil Posted In: Transmission PartsTagged In: Torco