Liqui Moly 20004 Hydraulic Lifter Additive 300 ml (Pack of 5)

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