41306032 Engine Treatment - 32 oz. | High Performance Motor Oil Additive for Cars & Trucks | Reduces Friction, Improves Fuel Efficiency & Extends Engine Life | Ideal for Daily Commute, Long Trips & Heavy-Duty Use

Works, to recharge or enforce power train, drive power, torque turn ability increases by ten to 25 percent. It’s a powerful product, I switched to full synthetic oil, just to use this product once in a while or each or every other year, especially as it saves gas snd you get more gas mileage. I’ve been using it for ten years, with great expectations fulfilled. This stuff could take an old car or engine and polish it to race, or a new engine and make it smoother, I thought Mobil one was good, till I started getting more torque and better gas mileage and a smoother tide with this, slick 50 added in to the engine oil, that took me only one minute to add it