Pennzoil Gold is and advanced proprietary synthetic blend formula with Active Cleansing Agents. Utilizes the advanced of blended synthetic technology to better prevent dirt and contaminants form turning into performance robbing deposits and clean out sludge. A cleaner engine is better protected and responsive. It formulated to meet the GM dexos1 Gen 2 Specification. Redesigned for modern turbocharged engines- API SN PLUS, API SN-Resource Conserving and all previous categories.