Valve Spring

VALVE SPRINGS
Free Length (Approximately) 47.65 mm (1.876 in.)
Spring Load
Valve Closed 316 to 351 N @ 41.656 mm (71 to 79 lbs. @ 1.64 in.)
Valve Open 898.6 to 969.7 N @ 30.89 mm (202 to 218 1bf @ 1.216 in.)
Inside Diameter 21.0 mm to 21.51 mm (0.827 to 0.847 in.)
Installed Height 41.656 mm (1.64 in.)