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Driven Racing GP-1 10W-30 Semi-Synthetic Oil - 1 QuartDriven Racing GP-1 High Performance Motor Oil - 1 QuartFormulated from premium Pennsylvania Grade base oils and compounded with select synthetic components, GP-1 provides race grade protection and performance at a fraction of the price of a full synthetic. GP-1 delivers maximum engine protection by utilizing Driven's High Zinc (ZDDP) additive technology. It's unique friction reducing formula offers excellent film strength and enhanced performance, even at temperatures up to 300*F. Designed for competition vehicles, classic cars, and imports with high performance engines requiring a 10W-30 viscosity. GP-1 is compatible with Methanol, E85, and high octane race fuel. Blended with genuine Pennsylvania Grade base oil, GP-1 achieves a higher Pressure-Viscosity Coefficient for excellent film shear strength. Ideal for high performance flat tappet, roller, and overhead cam engines. High zinc content for maximum protectionDelivers High Temperature & High Load ProtectionViscosity typical of 10w-30