Valve Spring

Valve spring free length -
Valve spring squareness -
Valve spring compression pressure - valve open (without damper) 1000 N (224 lbs) @ 29.2 mm (1.16 inch)
Valve spring compression pressure - valve closed (without damper) 350 N (79 lbs) @ 40.7 mm (1.62 inch)
Valve spring installed height 40.7 mm (1.62 inch)
Valve spring installed pressure -