Valve Spring

Valve Spring Free Length 51.3 mm (2.02 inch)

Valve Spring Installed Height
(Exhaust) 42.92 - 43.43 mm (1.670 - 1.700 inch)

Valve Spring Installed Height
(intake) 42.92 - 43.43 mm (1.670 - 1.700 inch)

Valve Spring Pressure
(Closed) 338 - 374 Nm at 43.2 mm (76 - 84 lbs. at 1.70 inch)

Valve Spring Pressure
(Open) 832 - 903 Nm at 32.3 mm (187 - 203 lbs. at 1.27 inch)