Valve Spring

Valve Springs Free Length: 48.5 mm (1.89 inches)
Valve Springs Load (Closed): 320 N at 43.2 mm (75 lbs. at 1.701 inches)
Valve Springs Load (Open): 1036 N at 32 mm (230 lbs. at 1.260 inches)
Installed Height Intake-Exhaust: 43.2 mm (1.701 inches)
Approx. # of coils: 6.55