JLM Petrol Direct Injection Valve Cleaner - 500ml Winston's Wipers Reduces emission of hazardous exhaust

Reduces emission of hazardous exhaust gases

distinguished by a white colored band around the top of the cylinder

vinyl & rubber

it does not harm paint

JLM Petrol Direct Injection Valve Cleaner - 500ml Winston's Wipers Reduces emission of hazardous exhaustIdeal 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