Valve Spring

Valve Spring Free Length 52.9 mm (2.08 inch)
Valve Spring Installed Height:
Exhaust 45.75 mm (1.8 inch)
Intake 45.75 mm (1.8 inch)
Valve Spring Pressure:
Closed 340 N @ 45.75 mm (76 lbs. @ 1.8 inch)
Open 980 N @ 33.55 mm (220 lbs. @ 1.32 inch)