GSC Steel Valve Spring and Titanium Retainer Valve Spring Kit 5743 (02-14 WRX/04+ STI)

GSC Steel Valve Spring and Titanium Retainer Valve Spring Kit 5743 (02-14 WRX/04+ STI)

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  • $332.12
    • ALA
  • $387.98
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  • GSC Power-Division Single Valve Spring and Titanium Retainer Kit for Subaru Turbo EJ Platforms

    This is a great spring kit for the daily driver with an S1 or S2 cam profile that keeps the boost and revs below 32 psi and 8,000 RPM. 

    • 78 lbs @ 1.326" install height 
    • 197 lbs @ 0.913"
    • Max RPM: 8,000 RPM
    • Max boost: 32 psi