JLM Petrol Direct Injection Valve Cleaner - 500ml

Ideal for direct injected petrol & diesel engines. Restores engine breathing and fuel economy. Cleans cylinder head, valves, combustion chamber and piston crowns. Dedicated formula for hot baked carbon. An unfortunate consequence of relocating fuel injectors from the intake to the combustion chamber is that the inlet valves especially are not kept clean by fresh petrol washing past them. Due to a combination of crankcase ventilation and exhaust gas recirculation...