LEAD HECTO 7000 Is specially designed for higher mileage gasoline fuelled automobiles and light duty trucks requiring an API SL specification. It may be used in naturally aspirated and turbocharged diesel and petrol engines, providing excellent protection even under the most severe conditions. LEAD HECTO 7000 SAE 20W50 can be used under the most difficult operating conditions (highways, congested city traffic) for every season. LEAD HECTO 7000 SAE 20W50 provides excellent oxidation stability, low temperature flow properties, enhanced fuel economy and extended drain.