PSI Valve Springs for your LS7 Performance Vehicle
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PSI Valve Springs

For Your LS7 Performance Vehicle

PSI Valve Springs

Fits LS7 7.0L 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 on your LS7 engine, the OEM Valve springs must be replaced with high lift valve springs to accommodate the extra lift from your new Camshaft. The PSI LS7 Valve Springs are a direct replacement for your LS7 engine.