Brad Penn / PennGrade 1 Semi-Synthetic Engine Oil 71196, 20W50, 1 Quart Viscosity: 20W50 Type: Semi-Synthetic Volume: 1 Quart Usage: Racing Quantity: 1 PennGrade1 Multi-Grade High Performance Oils are specially formulated using high quality PennGrade base stocks and select additive technologies to meet the stringent lubricating demands of high-performance, highly stressed, street and racing engines.