Protect your engine by using this products designed to minimise Valve Seat Recession (VSR) in LPG, CNG & Petrol fuelled vehicles. This fluid is also an effective concentrated lead replacement product. Features Include: - Protects valves & valve seats from VSR - Increases fuel economy (up to 5.3%) - Reduces harmful emissions - Cleans injectors & fuel systems - Lubricates upper cylinder area - Safe to use in all late model vehicles - Ideal for 2 & 4 stroke engines (use with fuel/oil mixture) - Super concentrated 1ml treats 1L of fuel - Increases engine life - Reduces engine temperature.