GSC Power Division EJ257 Beehive Valve Springs w/ Titanium Retainers — Fits 1999-2015 Subaru Impreza WRX STI

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SKU: GSC5043
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Sale price$423.44 Regular price$470.49
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GSC Valvetrain Kit for Subaru EJ257

Improve the performance and reliability of your Subaru EJ257 engine with the GSC Power Division Beehive Valve Spring and Titanium Retainer Kit. This kit is specifically engineered for the DOHC Subaru turbo platforms, providing the stability required for high-performance street and track applications. By replacing the factory valvetrain components, you gain the confidence to push your engine to higher RPMs without the risk of valve float.

Kit Highlights

  • Beehive Spring Design: Superior harmonic control and increased seat pressure for high-lift cams.
  • Titanium Retainers: Ultra-lightweight construction to minimize reciprocating mass and reduce stress on the valvetrain.
  • Designed for EJ257: Perfectly matched for the Subaru Impreza WRX STI and related 2.5L turbo models.
  • Improved Durability: Built to handle the intense heat and pressure of turbocharged Subaru engines.

The EJ257 is a powerful platform, but it demands a robust valvetrain to reach its full potential. This GSC kit is the ideal upgrade for those running aftermarket camshafts or looking to increase their redline safely. Ensure your engine performs at its peak with this high-quality valvetrain solution from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Aero
1999-2001 Subaru Impreza L
1999-2004 Subaru Impreza Outback
1999-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2011-2014 Subaru Impreza WRX STI Limited
2012-2014 Subaru Impreza Base
2012-2014 Subaru Impreza Limited
2012-2014 Subaru Impreza Premium
2012-2014 Subaru Impreza Sport Limited
2012-2014 Subaru Impreza Sport Premium
2015 Subaru WRX STI Base
2015 Subaru WRX STI Limited

Product Details

Product Description
Part Numbers
Sizing & Fit

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GSC Valvetrain Kit for Subaru EJ257

Improve the performance and reliability of your Subaru EJ257 engine with the GSC Power Division Beehive Valve Spring and Titanium Retainer Kit. This kit is specifically engineered for the DOHC Subaru turbo platforms, providing the stability required for high-performance street and track applications. By replacing the factory valvetrain components, you gain the confidence to push your engine to higher RPMs without the risk of valve float.

Kit Highlights

  • Beehive Spring Design: Superior harmonic control and increased seat pressure for high-lift cams.
  • Titanium Retainers: Ultra-lightweight construction to minimize reciprocating mass and reduce stress on the valvetrain.
  • Designed for EJ257: Perfectly matched for the Subaru Impreza WRX STI and related 2.5L turbo models.
  • Improved Durability: Built to handle the intense heat and pressure of turbocharged Subaru engines.

The EJ257 is a powerful platform, but it demands a robust valvetrain to reach its full potential. This GSC kit is the ideal upgrade for those running aftermarket camshafts or looking to increase their redline safely. Ensure your engine performs at its peak with this high-quality valvetrain solution from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Aero
1999-2001 Subaru Impreza L
1999-2004 Subaru Impreza Outback
1999-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2011-2014 Subaru Impreza WRX STI Limited
2012-2014 Subaru Impreza Base
2012-2014 Subaru Impreza Limited
2012-2014 Subaru Impreza Premium
2012-2014 Subaru Impreza Sport Limited
2012-2014 Subaru Impreza Sport Premium
2015 Subaru WRX STI Base
2015 Subaru WRX STI Limited

Product Details

Product Description

About GSC Power Division

GSC Power Division engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full GSC Power Division lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

GSC Valvetrain Kit for Subaru EJ257

Improve the performance and reliability of your Subaru EJ257 engine with the GSC Power Division Beehive Valve Spring and Titanium Retainer Kit. This kit is specifically engineered for the DOHC Subaru turbo platforms, providing the stability required for high-performance street and track applications. By replacing the factory valvetrain components, you gain the confidence to push your engine to higher RPMs without the risk of valve float.

Kit Highlights

  • Beehive Spring Design: Superior harmonic control and increased seat pressure for high-lift cams.
  • Titanium Retainers: Ultra-lightweight construction to minimize reciprocating mass and reduce stress on the valvetrain.
  • Designed for EJ257: Perfectly matched for the Subaru Impreza WRX STI and related 2.5L turbo models.
  • Improved Durability: Built to handle the intense heat and pressure of turbocharged Subaru engines.

The EJ257 is a powerful platform, but it demands a robust valvetrain to reach its full potential. This GSC kit is the ideal upgrade for those running aftermarket camshafts or looking to increase their redline safely. Ensure your engine performs at its peak with this high-quality valvetrain solution from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2005 Saab 9-2X Aero
1999-2001 Subaru Impreza L
1999-2004 Subaru Impreza Outback
1999-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2014 Subaru Impreza WRX
2004-2014 Subaru Impreza WRX STI
2006-2007 Subaru Impreza WRX TR
2006-2007 Subaru Impreza WRX Limited
2006-2011 Subaru Impreza 2.5i
2007 Subaru Impreza WRX STI Limited
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2011 Subaru Impreza 2.5i Premium
2011-2014 Subaru Impreza WRX STI Limited
2012-2014 Subaru Impreza Base
2012-2014 Subaru Impreza Limited
2012-2014 Subaru Impreza Premium
2012-2014 Subaru Impreza Sport Limited
2012-2014 Subaru Impreza Sport Premium
2015 Subaru WRX STI Base
2015 Subaru WRX STI Limited

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