Restores efficient working of hydraulic valve lifters\nLubricates and releases sticking valves\nReduces valve train noise\nRestores lost power\nIs safe for use with catalytic converters and turbochargers\nAs our vehicles get older, we start to notice those little squeaks, knocks and clunks that weren\u2019t their when it was brand new. You may think that you will need a mechanic to find the cause of the problem, but with the wide range of maintenance product from Wynn\u2019s you may be able to solve the problem yourself.\nWynn\u2019s Hydraulic Valve Lifter Treatment is an oil soluble supplement developed to clean away any deposits inside the engine that are responsible for causing excess noise and affect the engines performance. The 325ml bottle of valve lifting treatment also helps to release sticking valves, is safe for use with catalytic converters and is compatible with mineral and synthetics oils. A quick and easy treatment for both petrol and diesel engines. Wynn Oils\u2019 bras