STA-BIL® Protects the Things You Love, from the Inside Out. Consumers and manufacturers alike rely on the family of STA-BIL® branded products to provide ultimate protection and prevention for their vehicles and equipment. The STA-BIL® brand offers a range of products designed to treat all your engines - from everyday driving vehicles to collector cars, snowmobiles to boats - STA-BIL® goes above and beyond to protect like no other. Coats internal engine components to prevent corrosion. Displaces moisture from metal to protect engine. Lubricates cylinders to prevent cylinder damage (scuffing) at start up. For all 2-cycle and 4-cycle gasoline engines. Use in all gasoline-powered vehicles including: Cars, trucks, small engines, lawnmowers, chainsaws, snowmobiles, and snow blowers.