Ferrea Titanium Retainers for 6° Double Springs – 2004–2021 Subaru WRX/STI EJ257, 16-Piece (E11065)

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): 16.51 mm
References: Double Spring-6 Degree Pro CNC- Ferrea Racing Springs #S10098 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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