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GSC Single Spring and Titanium Retainer Subaru Impreza WRX STI 15-17

$300.00 Sale:$255.00

GSC

Model #GSC-5743

In Stock

All new cylindrical single valve spring kit for the Subaru turbo EJ series motors. Made for the Suby owner that daily drives their hot rod and keeps the boost and revs down. These Springs are the same quality and consistency as our popular beehive spring kit. The nano-peened AS50 round wire will perform with a RPM limit of 8200 and boost levels up to 32PSI on S1 or S2 profile cams. Strict quality control on the springs and the CNC machined Titanium retainers give you peace of mind that your valvetrain is always under control.

Features:
  • Specficiations
    • 75lbs at Seat
    • 195lbs at 11.0mm lift
  • Rev faster
  • Lighter components
  • More durable design
  • Less stress on valvetrain components
  • Lower spring frequency
  • Nano peened
  • Retainer Weight 5.14g
Fitment:
  • Subaru Impreza 1993-2001 | 2002-2007 | 2008-2014 | 2015
  • JDM Subaru WRX STI 2002-2015
  • USDM Subaru WRX STI 2004-2007 | 2008-2014 | 2015
  • Subaru Legacy 1990-1994 | 1995-1999 | 2000-2004 | 2005-2009 | 2010-2015
  • Subaru Outback 1995-1999 | 2000-2004 | 2005-2009 | 2010-2014 | 2015
  • Subaru Baja 2003-2006
  • Subaru Forester XT 2004-2008 | 2009-2013 | 2014-2015
Notes:
  • Sold as a Set of 16
  • Use original OEM spring seat and valve keepers
  • Pictures for marketing purposes only, actual product may vary
Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

https://www.P65Warnings.ca.gov

GSC Power-Division was started in 2004 when a need for high performance camshafts for Japanese turbo cars had little worth while offerings. Using cutting edge design software and quality chill cast and ductile iron billets ground on one of the most advanced CNC grinding equipment in the world has given GSC the chance to become a world wide supplier for some of the very best performance camshafts in our markets.

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