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COMP Cams Dual Valve Springs Outer Spring O.D.: 1.430 in.


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Dual Valve Springs Outer Spring O.D.: 1.430 in.
More than 10 available
Dual Valve Springs
  • Outer Spring O.D.: 1.430 in.
  • Outer Spring I.D.: 1.070 in.
  • Inner Spring I.D.: 0.697 in.
  • Seat Load: 139.500 lbs
  • Coil Bind: 1.150 in.
  • Spring Rate: 370lbs/in.
  • With damper
  • Set of 16
  • Ships
    987-16 - Comp Cams Dual Valve Springs is rated 5.0 out of 5 by 2.
    Rated 5 out of 5 by from Very nice I bought these since i run a 347 stroker in a 89 mustang gt with edelbrock performer heads, the spring pressures were dead on as advertised. Only complaint i had was im holding a 1.800 install height, these springs are advertised as 1.750 install on jegs website, however when they showed up the sticker said 1.800 and measured out at 1.800 so ended up wasting money on +.050 retainer locks. I havnt got to fire the car up yet but everything looked great we shall see
    Date published: 2018-04-10
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    Will these work in a 99 Dodge Ram 1500 with a 5.9L 360ci with Comp cam CCA 20-745-9 thank you in advance 

    Asked by: Steve G
    Machine work will be necessary to use the Comp 249-987-16 spring in a '99 Ram.
    Answered by: jshook
    Date published: 2022-12-09

    Will these work with 100 thousands longer valve?

    Asked by: Chuckrea88
    This will depend on your cam. You will need to measure the installed height to make sure it is within the spec your camshaft needs.
    Answered by: Rusty B
    Date published: 2018-09-05

    Which retainers and locks do I need for these?

    Asked by: Pete33
    As long as you have the stock Chevy valve stem size 249-740-16 retainers and the 249-611-16 valve locks.
    Answered by: Rusty B
    Date published: 2020-06-27

    Would these springs work with a roller cam 

    Asked by: Bradc
    Yes, these spring will work with a hydraulic roller or a flat tappet camshaft.
    Answered by: Rusty B
    Date published: 2018-07-02

    would these springs be compatible to stock retainers?

    Asked by: Bluedevils64
    Stock retainers are not compatible with these springs.
    Answered by: Jon Jegs Tech
    Date published: 2017-12-05
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