Valve Spring

VALVE SPRING
Free height 45.62 mm (1.7961 in.)
Pressure
Standard 196 N (20.0 kg, 44.1 lb) at 37.0 mm (1.457 in.)
Limit 433 N (44.2 kg, 97.3 lb) at 27.8 mm (1.094 in.)
Out-of-square Less than 2.0 mm (0.079 in.)