Valve springs Audi S6 S4 RS4 2.7T 2.8 3.0 30V FCP

Valve data Pressure with seat attached: Intake valve - 25 kg, dual exhaust valve - 36 kg Load: Intake - 56 kg @ 10.5 mm, exhaust - 84 kg @ 10.5 mm Maximum stroke: intake - up to 11 mm, exhaust - up to 12 .7 mmMade of chrome-silicon steel SAE9254-V 18 pcs. single intake valve springs12 pcs. double exhaust valve springsFits all V6 2.7 2.8 3.0 30V Turbo/NA Audi / VW engines. This kit minimizes the risk of valve vibration and possible engine failure. Recommended for engines with stock and racing camshafts and revolutions above 7600 RPM. They can be used together with standard or FCP titanium retainers.