Mobil 1 44516 0W-30 Full Synthetic Racing Motor Oil - 1 Quart (Pack of 6) Very versatile racing oil developed for a wide variety of race engines and racing applications Designed to maximize performance on the track Offer boosted levels of anti-wear protection (nominal phosphorus level of 1750 ppm) well beyond those of typical automotive engine oils Are recommended for a wide range of race engine applications, including highly loaded flat tappet designs Provide exceptional high-temperature protection in high rpm engine operation, even at temperatures up to 400 Degree Fahrenheit