Valve Spring

Valve Spring Free Height:
Standard Value 51.0 mm (2.01 inch)
Limit 50.0 mm (1.97 inch)
Valve Spring Load/Installed Height 267 N/44.2 mm (60 lbs./1.740 inch)
Valve Spring Out Of Squareness:
Standard Value 2° Or Less
Limit Maximum 4°