Competition cams 999-16 valves springs.   I believe these are new however I am not 100% sure.

1.551 in. Outside Diameter

  • Dual Valve Spring
  • Coiled On the Most Advanced CNC Machines
  • 1 Year Limited Warranty

    Valve Springs; Dual Valve Springs; Single Valve Springs; Beehive Springs; Conical Springs; Valve Lift; Max Lift; Spring Kit

    • Specifications:

    Part Type
    Camshaft Type
    Mechanical
    Coated
    No
    Coil Bind Height
    1.09 in (27.686 mm)
    Damper Spring Included
    No
    Inside Diameter
    0.724 in (18.39 mm)
    Inside Diameter of Inner Spring
    0.724 in (18.39 mm)
    Inside Diameter of Outer Spring
    1.114 in (28.296 mm)
    Installed Height
    1.875 in (47.625 mm)
    Installed Pressure (lbs.)
    212
    Number of Springs Per Valve
    Dual
    Open Height
    1.15 in (29.2 mm)
    Open Pressure (lbs.)
    671
    Outside Diameter
    1.54 in (39.1 mm)
    Outside Diameter of Outer Spring
    1.55 in (39.4 mm)
    Package Depth
    2.90
    Package Height
    13.60
    Package Width
    3.80
    Part Category
    Performance Parts
    Position
    N/A
    Quantity
    Sold as a set of 16
    Shipping Weight
    5.52
    Spring Rate
    633 lbs./in.
    Spring Rate (lbs./in.)
    633
    Spring Type
    Double
    Valve Spring Style
    Standard
    Vendor Part Number
    999-16