PSI Valve Springs for your 2008-2015 HEMI VVT VehiclesPSI Valve Springs
Fits 2008-2015 HEMI
5.7L & 6.4L VVT Engines
Features:
- 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.


























