LIQUI MOLY 300mL Hydraulic Lifter Additive

One 300 ml can of Liqui Moly hydraulic tappet additive is sufficient for up to 6 liters (1.5 gal.) motor oil. The product can be added at any time. After adding, run the engine until warm. For a lasting effect, Liqui Moly Hydraulic tappet additive must be added after each oil change.