GTX PRODUCT RANGE

Castrol GTX is one of the world’s most trusted engine oils. It’s more than just oil. It’s liquid engineering that protects against problems, like sludge, that your engine faces every day. 

The Double Action formula of Castrol GTX cleans away old sludge*, while protecting against new sludge formation, better than tough industry standards.
 
* When tested in engines with high levels of deposits