Valve Spring

DIMENSIONS
Free Length 52 mm (2.03 inch)
Installed Height:
Intake 45.2 mm (1.78 inch)
Exhaust 45.2-43.43 mm (1.690-1.710 inch)
Load:
Closed [1] 43 mm (1.78 inch)
Open [2] 32 mm (1.27 inch)

[1] @ 338-374 N (76-84 lbs.)
[2] @ 832-903 N (187-203 lbs.)