FlexBilt offers one of the more popular Liqui-Moly products on the automotive market today.  Ceratec is used in 4-stroke gasoline and diesel engines, with or without turbochargers. Ceratec forms a homogeneous mixture when added to most commercially available motor oils. Safe with catalytic converters and particulate filters (GPF/DPF) as well as for belt-in-oil systems.
 
Contents (300 mL) is sufficient for 3.6 to 5.2 quarts of motor oil. Long-term effect up to 30,000 miles. NOTE:  Please shake thoroughly for one minute before use.  Not suitable for use with DSG/DCT automatic-transmissions or wet-clutch differentials.
 
You can read additional information by searching CeraTec Liqui-Moly reviews, research, or testimonials.  At FlexBilt, we stand behind the quality of all the Liqui-Moly products...especially CeraTec Anti-Friction.  In one vehicle we've worked on and put CeraTec in the engine, the customer's oil pressure increased 11% on a gas pickup truck with 180,000 miles.