(678) 879-1200
Call us Monday-Friday  8:30am-6pm EST
After hours vehicle drop-off and pick-up available

Red Line 50WT Race Oil (15W50)

*50 WT SAE (15W50)* For use where extremely high temperatures may be encountered and when engine durability is the primary concern.
Short description:
This items usually ships in:

Red Line 50WT Race Oil

  • Quart Size Bottle  -  RL10504
  • Versatile product used in stock car racing, road racing, and sprint cars
  • 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 antiwear
  • Improved protection at startup, lower oil temp, cleanliness
  • Remember to change these oils more frequently than regular motor oils


Each race oil product is a multi-grade, offering 2-4% more power than oil of a similar viscosity -

20WT is a 5W20,

30WT is a 10W30, 4

0WT is a 15W40,

50WT is a 15W50


SAE Viscosity Grade 15W50
Vis @ 100°C, cSt 19.2
Vis @ 40°C, cSt 135
Viscosity Index 141
CCS Viscosity, Poise, @ °C 35@-15°C
Pour Point, °C -45
Pour Point, °F -49
Zinc, avg PPM 2400
Phosphorus, avg PPM 2450
NOACK Evaporation Loss,1hr @ 482°F (250°C), % 6
  • Engine - all other
Red Line Synthetic Oil