20-40 engine additive is shear-stable, multi-grade, designed particularly for variety levels of oil. It provides good engine protection, trouble-free operation, helping to keep the engine clean, and contributes to a smoother ride. Reduce deposits in piston rings, and maintain stable engine power and performance. Used for ceramic cylinders.
(This product can be completely substituted for engine oil.)
Please contact the technical person of vehicle field for the best solution.