Valve Spring

Spring Deviation 1.6 mm (0.0062 inch)
Spring Free Length 45.90 mm (1.8070 inch)
Spring Preload (Standard) 16.2-17.9 kg at 33.6 mm (35.7-39.5 lb. at 1.323 inch)
Spring Side Clearance (Maximum) 2.0 mm (0.079 inch)