Head Studs and Valve Spring Combo

Head Studs and Valve Spring Combo.

The BarraTheWorld.com combo deal is specifically pieced together to simplify your build. This combo deal is perfect for people looking to add a bit more boost or converting their Barra from NA to Turbo, with the added bonus of a cheaper price!

Deal includes:

• ARP Head Studs
• Crow cams upgraded springs, your choice of with or without the retainers
  
  Valve springs without retainer 1808 specifications
  
  

  Entry-level valve spring upgrade to suit BA - FGX, these are recommended for ~up to 20 PSI of boost
  
  Valve Spring Specifications:

  • Installed Height - 1.480"
  • Installed Pressure - 90
  • Pressure @ .5 Lift – 195
  • Max Lift - .550" 
  • Height - .900”
  • Spring Retainer - Use Standard
  • Valve Locks - Use Standard
  
  

  
  Valve springs without retainer 1809 specifications
  

  Valve spring upgrade to suit BA - FGX, these are recommended for 30+ PSI of boost

  Valve Spring Specifications
  

  • Installed Height - 1.480"
  • Installed Pressure - 110
  • Pressure @ .5 Lift – 215
  • Max Lift - .600" 
  • Height - .900”
  • Spring Retainer - Use Standard
  • Valve Locks - Use Standard
  
  Valve springs with retainer 1809 specifications
  
  

  Valve spring upgrade kit including Chromoly retainer recommended for applications up to ~30PSI

  Valve Spring Specifications
  

  • Installed Height – 1.520″
  • Installed Pressure – 105
  • Pressure @ .5 Lift – 205
  • Max Lift – .600″
  • Height  - .900”
  • Spring Retainer – Supplied (10703-24)
  • Valve Locks – Use Standard
  • The kit includes valve springs (1809-24) and Chromoly retainers (10703-24)