Valve Spring

Valve spring free length
Standard Value 51.0 mm (2.01 in.)
Limit Minimum 50.0 mm (1.97 in.)
Valve spring load @ installed height
Standard Value 267 N @ 44.2 (60.0 lbs. @ 1.74 in.)
Valve spring out-of-squareness
Standard Value 20 ° or less
Limit 4 °