Valve Spring

Spring free height
Standard 44.6 mm (1.756 inch)
Limit 43.6 mm (1.717 inch)





Valve spring squareness
Limit 2 mm (0.079 inch)





Compressed spring tension - At installed height: 35.0 mm (1.38 inch)
Standard 196 N (44 lbs.)
Limit Less than 181 N (41 lbs.)