Make sure that your vehicle runs its best with Castrol Edge 5w30 Motor Oil. It is engineered with fluid titanium technology. Castrol Edge motor oil provides superior strength for engines that work harder due to higher pressures. It helps your vehicle to maximize performance and is three times stronger against viscosity breakdown than other varieties. Castrol motor oil decreases the formation of deposits and reduces metal-to-metal contact for less friction. It offers protection for the entire drain interval and is recommended by several car manufacturers.