GP-1 synthetic blend high performance motor oils are formulated using Pennsylvania petroleum combined with a high zinc (ZDDP) content that has been engineered and tested to deliver increased horsepower and better engine wear protection under high load. Available in 20W-50, 15W-40, 10W-30, and 5W-20 viscosity for high performance engines, as well as a Nitro 70 Grade Race Oil and a Straight 30 viscosity Break-In oil. The perfect performance oil for competition cars, custom cars, hot rods, classic cars, imports, and racing applications. Engineered and Tested to Deliver INCREASED HORSEPOWER along with More Than 30% BETTER Engine Wear Protection Compared to the Competition. Specialty Oil offering race grade protection and performance at a fraction of the price of a full synthetic. The unique properties of Pennsylvania grade base oil compounded with select synthetic components provide a higher Pressure-Viscosity Coefficient for excellent High Temperature-High Shear (HTHS) stability for increased film thickness; combined with Driven?s ZDDP additive package GP-1 delivers a synergetic chemical balance, producing enhanced wear protection.