Valve Spring

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