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GSC 5074 Dual Conical Spring Set with Titanium Retainer & Chromoly Spring Seat Subaru Turbo EJ

GSC 5074 Dual Conical Spring Set with Titanium Retainer & Chromoly Spring Seat Subaru Turbo EJ

GSC-5074

$640.25 USD
$640.25 USD
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Shipping calculated at checkout.

The GSC Power-Division Dual Conical Valve Spring with Ti Retainer for Subaru Turbo EJ Platforms includes

  •  16 Titanium Retainers
  • 16 Chromoly Valve Spring Seats. 
  • 16 Dual Conical Valve Springs

Experience the precision engineering of GSC 5074 dual conical valve springs, purpose-built for demanding Subaru turbo EJ engines. The innovative conical design minimizes harmonic vibration and valvetrain stress at high RPMs and boost levels, protecting critical components during aggressive tuning. Advanced metallurgy and meticulous surface finishing guarantee durability when running extreme cam profiles and elevated power outputs. Includes titanium retainer and chromoly spring seat for complete system reliability.

 

 

GSC5074 Dual Conical Valve Spring Kit with Ti Retainer for the Subaru Turbo EJ
Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure, 11.50mm lift Maximum Valve Lift (in)
Dual Conical 0.790" 1.368" / 1.092" 95 233lbs @ 0.915" / 0.639" 0.512"
  • Max RPM: 10,000 RPM
  • Max boost: 40 psi 

 


  •  Caution: May contain chemicals linked to cancer and reproductive harm (CA Prop 65). Visit Prop 65 Warnings & OEHHA websites for more info.
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