Valve Spring

Approximate # of Coils 6.55
Free Length 48.5 mm (1.89 inch)
Installed Height 43.2 mm (1.701 inch)
Load
Closed[1] 43.2 mm (1.701 inch)
Open[2] 32 mm (1.260 inch)

[1] At 320 Nm (75 lbs.)
[2] At 1036 Nm (230 lbs.)