LIQUI MOLY Petrol Clean and Boost 1L Petrol Clean + Boost consists of a combination of ash-free, self-lubricating active agents which have been formulated according to the latest fuel and additive technology. This product is characterised by its outstanding cleaning and material protection properties. Suitable for all gasoline engines, as a preventative measure or to solve problems. Tested safe with catalytic converters and turbochargers. Add to fuel tank using a funnel at a ratio of 200 ml per 60 litres of fuel, in every tank or as required. Application - Add to fuel tank using a funnel at a ratio of 200ml per 60 litres of fuel, in every tank or as required. The product mixes with the gasoline automatically.