Valve Spring: Specifications

GENERAL:
Free Length (Approximately.) 49.962 mm (1.967 inch)
Number of Coils 6.79
Wire Diameter 4.496 mm (0.177 inch)

SPRING TENSION:
(Valve Closed) 369 - 405 N @ 41.66 mm (81 - 89 lbs. @ 1.640 inch)
(Valve Open) 865 - 956 N @ 30.89 mm (190 - 210 lbs. @ 1.216 inch)