Valve Spring

Valve Springs Free Length 48.5 mm (1.89 inch)
Valve Springs Load - Closed 320 N 43.2 mm (75 lb @ 1.701 in)
Valve Springs Load - Open 1036 N 32 mm (230 lb @ 1.260 in)
Installed Height Intake-Exhaust 43.2 mm (1.701 in)
Approximate Number of Coils 6.55