Valve Spring

Free Length (Approximately.) 49.962 mm (1.967 inch)

SPRING TENSION:
(Valve Closed) @ 41.66 mm = 378 N (@ 1.64 inch = 85 lbs)
(Valve Open) @ 30.89 mm = 890 N (@ 1.212 inch = 200 lbs)

Number of Coils 6.8
Installed Height. (Spring Seat to Retainer) 41.66 mm (1.64 inch)
Wire Diameter 4.50 mm (0.177 inch)