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Valve Spring

Valve Spring
Free Length 48.5 mm (1.91 in)

Pressure
Closed 391 Nm @ 40 mm (289 ft. lb. @ 1.57 in)
Open 867 Nm @ 30 mm (641 ft. lb. @ 1.181 in)
Installed height 40 mm (1.57 in)

Valve Spring Damper
Free Length 47.2 mm (1.86 in)
Approx. # of Coils 4