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PAC Racing Springs RPM Beehive Single Valve Springs Spring OD: 1.290

278-1218X-16


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RPM Beehive Single Valve Springs Spring OD: 1.290
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$295.00
RPM Beehive Single Valve Springs
  • Spring OD: 1.290
  • Spring ID: 0.650
  • Seat Pressure: 140 LBS @ 1.800
  • Open Pressure: 328 LBS @ 1.200
  • Spring Rate: 313
  • Max Coil Bind: 1.140
  • Max Lift: .600
  • 16/pkg
  • Free Shipping - Ships on 04/24/24
    QTY

    Will these springs work on 350 Vortec heads without matching the head? If so, will the stock spring retainer and keepers work with these springs?

    Asked by: Crouton
    NO, you need to change retainers and use a +0.050" lock to get to 1.800" for this spring. A drop in option would be the PAC-1210X.
    Answered by: Matt
    Date published: 2023-08-29
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