Valve Spring

Valve Springs - Valve Spring Free Length 52.9 mm (2.08 inch)
Valve Springs - Valve Spring Installed Height 45.75 mm (1.8 inch)
Valve Springs - Valve Spring Load - Closed 340 N at 45.75 mm (76 lb at 1.8 inch)
Valve Springs - Valve Spring Load - Open 980 N at 33.55 mm (220 lb at 1.32 inch)