Description
Ferrea is pleased to offer our Pro-Series Titanium Retainers including sizes that fit both traditional Domestic springs and Sport Compact springs. Precision CNC-machined from aerospace quality titanium, these Pro Retainers are fully heat-treated and finished to exact tolerances, adding strength while offering a 40% weight reduction over conventional steel retainers. We have available applications for 6, 7, 8 (super 7) and 10 degrees. Examine the overall quality of Ferrea’s Pro-Series Retainers and see why professional engine builders demand Ferrea Racing Components.
Valve Stem Size: 6 mm
Diameter (A): 25.40 mm
Inn Step Diameter (C): 15.70 mm
References: Double Spring-6 Degree Pro CNC- Ferrea Racing Springs #S10097 and Ferrea Valve Lock # K10074
Fitment:
2004:Subaru:Impreza:WRX STI,
2005:Subaru:Impreza:WRX STI,
2006:Subaru:Impreza:WRX STI,
2007:Subaru:Impreza:WRX STI,
2007:Subaru:Impreza:WRX STI Limited,
2008:Subaru:Impreza:WRX STI,
2009:Subaru:Impreza:WRX STI,
2010:Subaru:Impreza:WRX STI,
2010:Subaru:Impreza:WRX STI Special Edition,
2011:Subaru:Impreza:WRX STI,
2011:Subaru:Impreza:WRX STI Limited,
2012:Subaru:Impreza:WRX STI,
2012:Subaru:Impreza:WRX STI Limited,
2013:Subaru:Impreza:WRX STI,
2013:Subaru:Impreza:WRX STI Limited,
2014:Subaru:Impreza:WRX STI,
2014:Subaru:Impreza:WRX STI Limited,
2015:Subaru:WRX STI:Base,
2015:Subaru:WRX STI:Launch Edition,
2015:Subaru:WRX STI:Limited,
2016:Subaru:WRX STI:Base,
2016:Subaru:WRX STI:Limited,
2016:Subaru:WRX STI:Series.HyperBlue,
2017:Subaru:WRX STI:Base,
2017:Subaru:WRX STI:Limited,
2018:Subaru:WRX STI:Base,
2018:Subaru:WRX STI:Limited,
2018:Subaru:WRX STI:Type RA,
2019:Subaru:WRX STI:Base,
2019:Subaru:WRX STI:Limited,
2019:Subaru:WRX STI:S209,
2020:Subaru:WRX STI:Base,
2020:Subaru:WRX STI:Limited,
2021:Subaru:WRX STI:Base,
2021:Subaru:WRX STI:Limited,
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