VW VR6 12V exhaust Valves SUPERTECH Supertech st-12v-vwevn - сервиз

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.