BMW 3.0 N54B30 / N55B30 / S55B30 Racing conical spring and retainer kit

BMW 3.0 N54B30 / N55B30 / S55B30 Racing conical spring and retainer kit

Part number: VSTRBS55/24

Conical valve spring and titanium retainer kit

BMW:

E90, E91, E92, E93, E82, E88, E89, X6, Z4, F01 - 3.0 (N54B30)

E90, E91, E92, F82, F10, F01, X5, X6 - 3.0 (N54, N55)

M4 F82 - 3.0 (S55)

Valve springs data

Installed seat pressure - 34kg (75lbs)

Load - 63kg@10mm (140lbs@10mm)

Max lift - up to 12mm

Made from chrome-silicon steel SAE9254-V

Fits BMW 3.0 N54, N55, S55 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 7500 RPM.

Kit includes:

24 pcs. conical valve springs

12 pcs. titanium retainers 5mm

12 pcs. titanium retainers 6mm