Valve Spring

Free Length 48.04 mm (1.8913 inch)
Squarness 2.5°, 2.1 mm (0.083 inch)
Tension/Spring Height:
146.1 - 167.7 N (32.9 - 37.7 lbs) 42.0 mm (1.654 inch)
455.0 - 523.7 N (102.3 - 117.7 lbs) 83.4 mm (1.315 inch)