Oil Pump Gears, Backing Plate and Valve Spring Combo

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  • Regular price $957.00 AUD
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SKU: Boundary OPG, Boundary BP, 1808-24


Oil Pump Gears, Backing Plate 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:

  • Boundary oil pump gears 
  • Boundary backing plate 
  • 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)