4.2L FSI Audi R8 V8 intake valves BAR-TEK®

Intake valves made of high-strength steel for all Audi R8 V8 4.2L FSI engines.The Audi R8 standard valves have the major disadvantage that they can break in engines with a power increase or with long mileage. The standard valves are internally hollow and sodium-cooled. With the very thin valve stem, there is not much material left to protect the valve!Valves made from high-strength steel offer the following advantages: High temperature resistance Strong tear resistance Heat-treated material High-strength steel Quality and workmanship at the highest level Available in original size or 1mm oversize. The kit contains 16 valves.With 1mm 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.