Valve Spring

Valve spring free length 50.7 mm
Valve spring squareness 1.2 mm
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 350 N (79 lbs) @ 40.7 mm (1.62 inch)