Hydraulic Valve Lifter Treatment Plus Engine Flush Combo To maximize your engine's lifespan and eliminate noise from the hydraulic lifters, begin by obtaining the manufacturer-recommended oil and filter for your vehicle. Apply an engine flush according to the product instructions. Afterward, drain the engine, replace the filter, add the New Product oil, and finally incorporate the hydraulic valve lifter treatment. Hydraulic Valve Lifter Treatment Lubricates sticking valves Reduces valve noise Restores lost power Silverhook Hydraulic Valve Treatment is an oil additive, formulated for petrol and diesel engines. It will help clean the build-up to internal engine deposits that cause noise in the engine valves as well as lubricate, this, in turn, will increase .
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