Valve springs data
Installed seat pressure – 38kg
Installed seat pressure – 38kg
Load – 100kg@12.5mm
Max. lift – up to 13mm
Made from chrome-silicon steel SAE9254-V
Outer spring outer diameter: 30.50mm
Outer spring inner diameter: 23.20mm
Inner spring outer diameter: 21.20mm
Inner spring inner diameter: 16.20mm
Outer spring outer diameter: 30.50mm
Outer spring inner diameter: 23.20mm
Inner spring outer diameter: 21.20mm
Inner spring inner diameter: 16.20mm
20 pcs. outer springs
20 pcs. inner springs
Fits all 5 cylinder 20V Audi engines 3B, AAN, ABY, ADU, RR, 7A.
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 7500 RPM.
Can also be used together with standard or FCP titanium retainers.
