"PENNZOIL PRODUCTS" FORMULA SHELL SAE OIL QUART High-performance Motor Oil is recommended for use in all four-cycle gasoline engines and both two-cycle and four-cycle diesel applications including cars, trucks, motor homes / RVs, boats, commercial fleet and stationary industrial diesel engines. Long life, high performance.That delivers superior protection and enhanced performance.It gains its performance advantages from a blend of synthetic oils.Additive technology greatly reduces engine wear.Weight=swe 30.