Castrol Classic XXL 40 is high quality monograde engine oil recommended for single and multi-cylinder engines under road and competition conditions. Castrol Classic XXL 40 must not be mixed with either Castrol R30 or R40 or any other synthetic or castor/synthetic based oils.;Advantages Cars;Summer use in petrol engines;Winter use in engines which would otherwise have high oil consumption;Some manually operated gearboxes;Advantages Motor Cycles;Summer use in twin-cylinder 4-stroke engines;Certain motorcycle gearboxes
