Liqui Moly Lead Substitute is designed to protect and lubricate valve seats in older petrol engines that originally required leaded fuel. It reduces wear on the cylinder head, preventing engine damage and increasing vehicle reliability.Here are the key features of Liqui Moly Lead Substitute:Non-Hardened Valve Seat Protection: Specially formulated for engines with non-hardened valve seats, this product ensures smooth conversion to unleaded fuel while maintaining optimal valve-seat lubrication.Cylinder Head Wear Reduction: The additives reduce wear on the cylinder head, ensuring consistent compression and reliable engine performance over time.Turbocharger and Catalytic Converter Compatibility: Tested and proven to have no harmful effects on turbochargers or catalytic converters, preserving your engine s critical components.Fuel Efficiency Improvement: Cleans deposits from the intake valves, and the combustion chamber, leading to better fuel efficiency and smoother engine operation.Easy A