Meets or exceeds the performance requirements of US and foreign passenger car engines. Blend of high VI base stocks and Z-7 additive to overcome extreme engine conditions caused by stop-and-go driving. Reduces internal engine friction and deposit formation, protects against rust and corrosion. Protects engines converted to use propane, butane or LPG. Suitable for hydraulic systems, air compressors, and industrial circulating systems. Recommended for older engines requiring API SJ, SH, SG, SF, SE Service Classifications. Exceeds Ford, GM, and performance levels of API SL. HD-30.