The LIQUI MOLY Hydraulic Lifter Additive is a functional fluid designed to enhance the performance of hydraulic lifters in automotive engines. With a volume of 300mL, this lubricant is specifically formulated to provide added protection and lubrication to ensure smoother and more reliable operation of the engine components. Manufactured by LIQUI MOLY, this product is a reliable solution for maintaining the health and longevity of hydraulic lifters in automotive engines.