PSI Valve Springs for your 2008-2015 HEMI VVT Vehicles
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PSI Valve Springs

For Your 2008-2015 HEMI VVT Vehicles

PSI Valve Springs

Fits 2008-2015 HEMI
5.7L & 6.4L VVT Engines


  • O.D.: 1.290″
  • I.D. Outer: .630″
  • Seat Pressure: 140lbs@1.950″
  • Open Pressure: 405lbs@1.300″
  • Rate Lb/in.: 408
  • Retainer Step: .000″
  • Max Lift: .650″
  • Coil Bind: 1.225″

When changing to a high lift Cam for your 5.7L and 6.4L HEMI powered vehicle, the Valve springs must be replaced. The PSI HEMI VVT Valve Springs are a direct replacement for your VVT HEMI heads.