Valve Spring

Valve spring free length 50.2 mm (1.9764 inch)
Valve spring squareness 2.5 degrees
Valve spring compression pressure 667.3 N @ 28.02 mm (150.015 lb @ 1.1032 inch)
Valve spring installed height 42.9 - 42.3 mm (1.6890 - 1.6654 inch)
Valve spring installed pressure - valve open 760 N @ 28.80 mm (170.855 lb @ 1.1339 inch)
Valve spring installed pressure - valve closed 302 N @ 42.56 mm (67.8923 lb @ 1.6756 inch)