40WT Race Engine Oil 15W/40
1 Quart Bottle (946ml)

Versatile product used in stock car racing, road racing, and sprint cars
Used by many of the top Dirt Late Model teams
Used by top teams in NASCAR Spec engines for Camping World East and West Series
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% 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