VW VR6 12V intake Valves SUPERTECH

Black nitrided intake valves from Supertech for VW VR6 12V engines.The VAG standard valves have the major disadvantage that they can break in engines with a significant increase in power or with long mileage.The standard valves are hollow inside and sodium-cooled. With the very thin valve stem, there is not much material left to protect the valve!Supertech valves offer the following advantages: High temperature resistance High tear resistance High-strength material Black nitrided Available in original size as well as 2mm and 3mm oversize.The valve seat must be adapted for oversize valves.The kit contains 6 inlet valves.