Valve Spring

DIMENSIONS
Free Length (Intake and Exhaust)
Standard (New) 48.001-48.600 mm (1.8898-1.9134 inches)

Squareness
Standard (New) 2.0 mm (0.080 inches)
Service Limit (Maximum) 2.5 mm (0.100 inches)

Force/Tension
At 30.0 mm (1.28)
Standard (New) 898-983 N (202-211 lbs.)
Service Limit (Minimum) 870 N (196 lbs.)
At 41.0 mm (1.61)
Standard (New) 338-387 N (76-87 lbs.)
Service Limit (Minimum) 328 N (75 lbs.)