In petrol engines: A puff of white smoke out the exhaust in the morning is a sure sign of worn valve seals allowing oil to seep past the valves into the combustion chamber when the engine is not running.
Lucas Engine Oil Stop Leak Oil Seal Sealer Stop Smoke Additive 946ml
LUCAS Engine Oil Stop Leak Seal Sealer Stop Smoke Additive 946ml
LUCAS Engine Oil Stop Leak Seal Sealer Stop Smoke Additive 946ml VIA ROYAL MAIL
2 x Lucas Engine Oil Stop Leak 946ml
Lucas Engine Oil Stop Leak 946ml Stops Leaks Rejuvenates Seals & Gasket x 2
