Maxima PS0 is a 100% ester-based synthetic engine oil. Engineered with exotic, ultra-low viscosity synthetic base oils for maximum horsepower gains without sacrificing the integrity of critical engine components. Advanced formula contains surface active chemistry, drastically reducing friction and offering unsurpassed anti-wear/extreme pressure protection from extreme loads generated by high-performance engines. Ester synthetics resist mechanical break-down and viscosity loss of the oil and special additives offer consistently high vacuum. PS0 delivers increased horsepower & torque, superior engine cleanliness, reduces wear on bearings, cams, lifters, crankshafts and extends engine life. High Zinc/Phosphorous formula engineered for use in flat tappet and roller element engines.