Valvoline MaxLife 5W20, 5-Qt. Case: * Designed for high-mileage engines * Special seal conditioners rejuvenate seals within the engine block to help prevent oil leaks that lead to sludge and deposits * Anti-oxidant additives reduce oil viscosity breakdown to help prevent engine-clogging sludge and deposit formation * Detergents chemically bond with and remove existing sludge and deposits * Additional friction-reducing additives help reduce abrasion within engine * Anti-wear agents help prevent engine damage * For use in cars and trucks