Valve Spring

Valve spring free length 53.37 mm (2.10 inch)
Valve spring squareness 2.0 degrees
Valve spring compression 720 - 800 N pressure (161.862 - 179.847 lbs.) @ 28.02 mm (1.10 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 lbs. @ 1.1339 inch)
Valve spring installed pressure-valve closed 302 N @ 42.56 mm (67.8923 lbs. @ 1.6756 inch)