Audi 5cyl. S2 & RS2 intake Valves FERREA

Inlet valves from Ferrea for all Audi S2 & RS2 5 cylinder turbo engines made from high-strength steel. 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!Ferrea valves offer the following advantages:-High temperature resistance-Strong tear resistance-Heat-treated material-High-strength steel-Best quality and workmanshipAvailable in original size or 0.5mm oversize.The kit contains 10 valves.With 0.5mm oversize valves, the valve seat must be adapted.Ferrea is also used in major racing series such as Formula 1, Indy, Nascar and drag racing.