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 inch)
Valve Springs Load - Open 1036 N @ 32 mm (230 lb. @ 1.260 inch)
Installed Height Intake - Exhaust 43.2 mm (1.701 inch)
Approximate number of coils 6.55