THE MOST TECHNOLOGICALLY ADVANCED RUBIA HEAVY-DUTY ENGINE OIL.
Meet the next generation of heavy-duty technology. As engines improve, so do we. Every RUBIA OPTIMA grade was developed to be the standard for the latest in heavy-duty protection.
Each lubricant is designed with an advanced formulating approach to optimize performance in newer, more efficient engines and to provide a new level of wear protection, piston cleanliness and oxidation control.