Racing oils provide more wear protection than motor oils for passenger vehicles, however, these products contain fewer detergents and are not suitable for street use
Details:

• Sold as 1 Quart
• Reformulated for improved frictional properties
• Special detergents for improved lubricity and less detonation
• Polyol ester base stocks provide more stability and film strength when exposed to excess fuel dilution
• Each of these products has no less than 2200 ppm of zinc and phosphorus for anti wear
• Each race oil product is a multi-grade, offering 2-4 percent more power than oil of a similar viscosity 20WT is a 5W20, 30WT is a 10W30, 40WT is a 15W40, 50WT is a 15W50
• Improved protection at startup, lower oil temp, cleanliness
• Remember to change these oils more frequently than regular motor oils
• Consistent wear and operation in drag racing classes like Stock and Super Stock (many switch to 5WT for Class Racing)
• Popular for qualifying in stock car engines
• Used by many top engine builders in Spec Miata and other low-power road race engines
• For Four-Cycle kart the Honda GX 200 and GX160, A Yamaha/Burris F200, Briggs and Stratton LO 206/World Formula/Animal, Kohler, Techmseh and Clones
• Phosphorus, Avg PPM 2400
• Zinc, Avg PPM 2250
• SAE Viscosity Grade 5W20
• Vis at 100 degrees C, CSt 7.6
• Vis at 40 degrees C, CSt 44
• Viscosity Index 139
• CCS Viscosity, Poise at degrees C 30 at neg 25 degrees C
• Pour Point, degrees C neg 50
• Pour Point, degrees F neg 58
• NOACK Evaporation Loss,1hr at 482 degrees F (250 degrees C), percent 6