Gulf Classic 20W-50 is a high quality 100% mineral oil-based multi-grade oil designed for classic gasoline engines specially formulated with additional zinc additives. It contains 0.24% wear protective zinc additives which is the highest amount found in a 20W50 mineral engine oil (Penrite Classic light has 0.18%).
Features and Benefits
High ZDDP provides excellent protection.
Compatible with classic seals and rubbers.
Highly recommend for use in classic and muscle car engine applications.