Audi 5cyl. S2 & RS2 Super Alloy exhaust Valves FERREA Ferrea fer-rs2-ex - сервиз

Super Alloy exhaust valves from FERREA for all Audi S2 & RS2 5 cylinder turbo 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 a very thin valve stem of only 6 mm, there is not much material left to protect the valve! FERREA valves offer the following advantages: High temperature resistance Strong tear resistance Special heat-treated material High-strength material Quality and workmanship at the highest level Super Alloy valves from Ferrea are made from an extremely heat-resistant alloy. The Ferrea Super Alloy valves are suitable for engines with turbocharging and nitrous oxide injection where high exhaust temperatures are used. Available in original size or 0.5mm oversize. With 0.5mm oversize valves, the valve seat must be adapted. The kit contains 10 valves. Ferrea is also used in major racing series such as Formula 1, Indy, Nascar and drag racing.