{"product_id":"ferrea-subaru-sti-double-spring-6-deg-pro-cnc-titanium-retainer-set-of-16","title":"Ferrea Titanium Retainer - 04-21 Subaru WRX STI EJ257 for Double Spring 6 Deg - Set of 16 - E11065","description":"\u003cp\u003e\u003cspan\u003eFerrea 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eValve Stem Size: 6 mm\u003cbr\u003eDiameter (A): 25.40 mm\u003cbr\u003eInn Step Diameter (C): 16.51 mm\u003cbr\u003eReferences: Double Spring-6 Degree Pro CNC- Ferrea Racing Springs #S10098 and Ferrea Valve Lock # K10074\u003c\/p\u003e\n\u003cp\u003eFitment:\u003cbr\u003e2004:Subaru:Impreza:WRX STI, \u003cbr\u003e2005:Subaru:Impreza:WRX STI, \u003cbr\u003e2006:Subaru:Impreza:WRX STI, \u003cbr\u003e2007:Subaru:Impreza:WRX STI, \u003cbr\u003e2007:Subaru:Impreza:WRX STI Limited, \u003cbr\u003e2008:Subaru:Impreza:WRX STI, \u003cbr\u003e2009:Subaru:Impreza:WRX STI, \u003cbr\u003e2010:Subaru:Impreza:WRX STI, \u003cbr\u003e2010:Subaru:Impreza:WRX STI Special Edition, \u003cbr\u003e2011:Subaru:Impreza:WRX STI, \u003cbr\u003e2011:Subaru:Impreza:WRX STI Limited, \u003cbr\u003e2012:Subaru:Impreza:WRX STI, \u003cbr\u003e2012:Subaru:Impreza:WRX STI Limited, \u003cbr\u003e2013:Subaru:Impreza:WRX STI, \u003cbr\u003e2013:Subaru:Impreza:WRX STI Limited, \u003cbr\u003e2014:Subaru:Impreza:WRX STI, \u003cbr\u003e2014:Subaru:Impreza:WRX STI Limited, \u003cbr\u003e2015:Subaru:WRX STI:Base, \u003cbr\u003e2015:Subaru:WRX STI:Launch Edition, \u003cbr\u003e2015:Subaru:WRX STI:Limited, \u003cbr\u003e2016:Subaru:WRX STI:Base, \u003cbr\u003e2016:Subaru:WRX STI:Limited, \u003cbr\u003e2016:Subaru:WRX STI:Series.HyperBlue, \u003cbr\u003e2017:Subaru:WRX STI:Base, \u003cbr\u003e2017:Subaru:WRX STI:Limited, \u003cbr\u003e2018:Subaru:WRX STI:Base, \u003cbr\u003e2018:Subaru:WRX STI:Limited, \u003cbr\u003e2018:Subaru:WRX STI:Type RA, \u003cbr\u003e2019:Subaru:WRX STI:Base, \u003cbr\u003e2019:Subaru:WRX STI:Limited, \u003cbr\u003e2019:Subaru:WRX STI:S209, \u003cbr\u003e2020:Subaru:WRX STI:Base, \u003cbr\u003e2020:Subaru:WRX STI:Limited, \u003cbr\u003e2021:Subaru:WRX STI:Base, \u003cbr\u003e2021:Subaru:WRX STI:Limited, \u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":49998555873560,"sku":"FERE11065","price":344.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0259\/7856\/8790\/files\/1b65f2fae849c313a95510597283d5b8_4578fd29-877a-4e53-bf6d-b154e4448d9d.jpg?v=1745719734","url":"https:\/\/nipponpower.com\/products\/ferrea-subaru-sti-double-spring-6-deg-pro-cnc-titanium-retainer-set-of-16","provider":"Nippon Power","version":"1.0","type":"link"}