Specially formulated using high quality, premium base stocks and select additive technologies to meet stringent lubricating demands of high performance, highly stressed street and racing engines. Delivers excellent shock load and high temperature protection to heavily stressed engine parts including bearings, camshafts, rings, and pistons. Reduces internal friction for increased horsepower output while maintaining their strong lubricating film protection even under the most demanding torque and extreme temperature conditions. Provides good anti-foaming and shear stability characteristics, excellent high temperature protection from thermal breakdown, outstanding film strength, and strong anti-wear properties. Size - 1 Quart (12 Pack) PennGrade Synthetic Blend Motor Oils are formulated with premium base oils and the latest high performance additive technology for gasoline engines. PennGrade Synthetic Blend Motor Oil delivers a powerful combination of world class durability and industry leading fuel economy to maintain peak performance of your engine. It is designed to meet or exceed the toughest demands of new and later model gasoline engines. PennGrade Synthetic Blend Motor Oils prevent lubricant starvation during cold temperature sart-ups by providing improved compatibility with ethanol protection and it helps lengthen the life of catalytic emission systems. PennGrade Synthetic Blend Motor Oil offers outstanding protection against harmful engine deposits and high temperature thermal breakdown.