Valve Spring

Valve Spring
Free height 45.62 mm (1.7961 inch)
Pressure
Installation 184 - 208 N (18.8 - 21.2 kg. ,41.4 - 46.8 lbs.) at height 37.0 mm (1.457 inch)
Valve open 407 - 459 N (41.5 - 46.8 kg., 91.5 - 103.2 lbs.) at height 27.8 mm (1.094 inch)
Out-of-square Less than 2.0 mm (0.079 inch)