VW VR6 12V exhaust Valves SUPERTECH

Black nitrided exhaust 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 and 1.8 mm oversize.The valve seat must be adapted for oversize valves.The kit contains 6 exhaust valves.