Valve Spring

Valve spring free length-intake 50.2 mm (1.9764 inch)
Valve spring free length-exhaust 50.2 mm (1.9764 inch)
Valve spring squareness-intake 2.5 degrees
Valve spring squareness-exhaust 2.5 degrees
Valve spring compression pressure-intake 667.3 N @ 28.02 mm (1.1031 inch)
Valve spring compression pressure-exhaust 667.3 N @ 28.02 mm (1.1031 inch)
Valve spring installed height 42.56 mm (1.676 inch)
Valve spring installed pressure-intake 289.1 N @ 40.01 mm (1.5752 inch)
Valve spring installed pressure-exhaust 289.1 N @ 40.0 mm (1.5752 inch)