BARDAHL SPECIAL DUTY Engine Power Booster is an ultra concentrated formula that reduces engine wear, restores lost power and increases engine efficiency. The formulation uses 'polar attraction' compounds to enhance the level of lubrication. This SPECIAL DUTY solution is comprised of anti-wear, extreme pressure, and oxidation inhibiting additives, plus an oil stabilizer to improve the strength and thickness of the oil film at high temperatures, providing the essential level of protection for hard working gasoline and diesel engines.