Stiction Eliminator's unique patented formula removes sludge and varnish from burnt oil while lubricating gasoline and diesel engines; this product can remove 50 percent more stiction than the leading competition Stiction Eliminator improves your compression alongside your fuel economy and power by increasing the lubricity of your engine's oil-wetted components; by improving compression, it can help fix 9 out of 10 "failing" HEUI injectors Diesel Extreme is a powerful concentrated formula penetrates deep into your engine to remove deposits from your internal injectors; Diesel Extreme is formulated to destroy waxy and polymeric deposits unlike any other product Diesel Extreme uses the power of cetane improvers to boost your fuel's cetane rating and improve combustibility; with higher combustibility, your diesel particulate filter (DPF) regeneration cycles will be reduced by up to 50 percent Stiction Eliminator treats 8 quarts of oil with just 1 quart of fluid; at maintenance dosage, it can treat up to 16 quarts of oil; Diesel Extreme treats 40 gallons of diesel fuel with just a 16-ounce bottle