Valve springs

Closed (seat) Pressure: Approx. 130 pounds @ 1.875" installed height
Valve Spring Open Pressure Approx. 330 pounds @ 1.275" (.600" lift.)
Valve Spring Inner Diameter: 1.050"
Valve Spring Maximum Lift: .510"
Valve Spring Coil Bind Height: 1.130"
Valve Spring Outer Diameter: 1.550"
Valve Spring Free Height 2.400"
Valve Spring Installed Height: 1.875"
Valve Spring Wire Diameter: .202"
Valve Spring Number of Coils: 5.5

The cam is a mp 484