HiTEC^® 65531 is the next-generation aftermarket gasoline performance additive from Afton Chemical that delivers improved cleanliness in gasoline direct injection (GDI) engines. This advanced additive is engineered to enhance fuel efficacy by removing deposits in GDI engines and ensuring optimal performance. HiTEC^® 65531 also continues to deliver superior performance in port fuel injection engines, extending its utility across various engine types. The formulation is designed with scalability in mind; it provides versatile keep-clean, cleanup, and one-tank cleanup performance to intake valves and injectors, helping maintain engine efficiency over time. This adaptability makes HiTEC^® 65531 suitable for diverse applications, ensuring both immediate and long-term improvements in engine performance, fuel economy, and emissions compliance. Its ability to tackle critical GDI deposit buildup positions it as an essential additive for modern fuel systems, reflecting the continued commitment to technological innovation by Afton Chemical.