Valve Spring

Free Length 50.32 mm (1.981 inches)
Load-Closed 356 Nm @ 43.69 mm (80 lbs. @ 1.75 inches)
Load-Open 935 Nm @ 33.4 (210 lbs. @ 1.315)
Installed Height 42.93-44.45 mm (1.690-1.720 inches)
Approximate Number of Coils 4