Valve springs data Installed seat pressure: Intake valve spring - 25kg, exhaust double valve spring - 36kg Load: Intake - 56kg@10.5mm, exhaust - 84kg@10.5mm Max lift: intake - up to 11mm, exhaust - up to 12.7mm Made from chrome-silicon steel SAE9254-V 18 pcs. intake valve single springs 12 pcs. exhaust valve double springs 18 pcs. intake titanium retainers 12 pcs. exhaust titanium retainers Fits all V6 2.7 2.8 3.0 30V Turbo/NA Audi / VW engines. With this set the risk of valve flutter and a possible engine failure is minimized. Recommended for engines with series and racing camshafts and over 7600 RPM. Titanium retainers are very strong and light, they help to eliminate valve float. Weight is only 9 and 4 g.
For specific high horsepower applications, engine performance can be significantly improved by using cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.