Red Line 10404 40WT Synthetic Race Motor Oil (15W40) - High Performance Engine Lubricant for Racing & High Mileage Vehicles - 1 Quart (12 Pack) - Ideal for Track Days, Performance Driving & Heavy-Duty Applications

About this item IMPROVED PROTECTION - at startup, lower oil temp, cleanliness, used by top teams in NASCAR, Spec engines for Camping World East and West Series, and used by many of the top Dirt Late Model teams VERSATILE PRODUCT - used in stock car racing, road racing and sprint cars POLYOL ESTER BASE STOCKS - provide more stability and film strength when exposed to excess fuel dilution MULTI-GRADE RACE OIL - 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 WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises › See more product details

IMPROVED PROTECTION - at startup, lower oil temp, cleanliness, used by top teams in NASCAR, Spec engines for Camping World East and West Series, and used by many of the top Dirt Late Model teams

VERSATILE PRODUCT - used in stock car racing, road racing and sprint cars

POLYOL ESTER BASE STOCKS - provide more stability and film strength when exposed to excess fuel dilution

MULTI-GRADE RACE OIL - 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

WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises