50WT Race Oil 1 Qt. (15W50)

Code: red10504
Red Line Oil

Red Line 50WT Race Oil – Quart

9 in stock (can be backordered)
100% Original and Quality
Manufacturer's Warranty


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

  • 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 2200ppm 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
  • Used in applications with wider bearing clearances
  • Popular with sprint and midget applications on methanol offers less frequent oil changes due to less fuel dilution
  • Phosphorus, Avg PPM 2450
  • Zinc, Avg PPM 2400
  • SAE Viscosity Grade 15W50
  • Vis at 100 degrees C, CSt 19.2
  • Vis at 40 degrees C, CSt 135
  • Viscosity Index 141
  • CCS Viscosity, Poise, at degrees C 35 at neg 15 degrees C
  • Pour Point, degrees C neg 45
  • Pour Point, degrees F neg 49
  • NOACK Evaporation Loss,1hr at 482 degrees F (250 degrees C), percent 6

Additional information

Weight 25.6 lbs
Dimensions 16.6 × 12.4 × 9.5 in

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