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Manley NexTek H.P. Valve Spring 4.6/5.4L DOHC 4V

660-221434-1


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NexTek H.P. Valve Spring 4.6/5.4L DOHC 4V
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$19.58
NexTek H.P. Valve Spring
  • 4.6/5.4L DOHC 4V
  • 1.126'' O.D.
  • 0.640'' I.D.
  • 330 lbs./in. Spring Rate
  • 95 @ 1.420'' Installed
  • 270 @ 0.895'' Open
  • 0.525'' Max Valve Lift
  • 0.860'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
  • Estimated to ship direct from manufacturer on 05/16/24 , pending manufacturer availability. Learn More
    QTY

    What is the Max RPM for these springs.  Manley  Part # 221434-1

    Asked by: Moranski
    This has too many factors to give you an rpm. Valve diameter, weight, type of retainer, rocker arm?
    Answered by: Rusty B
    Date published: 2018-03-26
    • y_2024, m_4, d_25, h_8CST
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