Wynn's HIGH PERFORMANCE ENGINE TREATMENT is a chemical treatment completely soluble in oil that has a double action: 1. Increases compression 2. Reduces wear. Helps extend engine life by reducing oxidation, friction and wear. Improves compression and the viscosity index of the oil and prevents premature thickening of new oil. Reduces the build up of sludge and deposits and helps keep the oil system clean. Reduces oil consumption and emissions. Contains no solid particles. Compatible with all types of motor oil. Does not harm catalytic converters.