Supertech exhaust Valves suitable for BMW 1.8L M42

Black nitrided Supertech exhaust valves for the BMW 1.8L 16V M42 engine. The Supertech exhaust valves have the advantage that they can dissipate heat better and are much more stable than the original valves. The standard valves are hollow inside, sodium-cooled and tend to break when performance is increased. With the exhaust valves from Supertech, you can make your engine more stable and safer! Supertech valves offer the following advantages: High temperature resistance Strong tear resistance Special heat-treated material High-strength material Black nitrided Supertech valves are made from an extremely heat-resistant alloy.The Supertech valves are suitable for engines with turbocharging and nitrous oxide injection where high exhaust temperatures are used.Available in original size and 1mm oversize.The valve seat must be adapted for 1mm oversize valves.The kit contains 8 valves without valve keys. Suitable Supertech wedges are required. These can be found below at accesories.