2.5 TFSI Audi RS3 & TTRS intake SUPERTECH valves

Black nitrided intake valves from Supertech for all 2.5L TFSI Audi engines, such as the RS3 and TT RS.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 and sodium-cooled on the inside. 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 Strong tear resistance Nitrided material Available in original size or 1mm oversize.For 1mm oversize valves, the valve seat must be adapted.The kit contains 10 valves without valve wedges. Suitable Supertech wedges are required. These can be found below at accesories.