Valve Spring

Valve Spring Free Length Standard 36.83 mm (1.45 inch)
Minimum Limit 35.67 mm (1.4043 in)
Valve Spring Preload Standard 10.7-12.5 kg at 31.5 mm
(23.6-27.5 lbs. at 1.24 inch)
Valve Spring Side Clearance (Maximum) 2.0 mm (0.079 inch)