Valve stem seal in original part quality of Taiwanese and Japanese vehicle manufacturers.
Naraku supplies a set of 2 of the oil wiper rings for the valves of 4-stroke cylinder heads.
Increasing oil consumption is often caused by aging valve stem seals. Too much engine oil enters the combustion chamber through the valves and is the cause of harmful oil carbon deposits and defects in the cylinder head. These seals should be replaced whenever the cylinder head is disassembled.AI-translation