Description
TECH NOTE: These Ferrea Valves must be used with Ferrea Valve Locks # K10074.
Ferrea Competition Plus Valves have built a reputation as the industry’s most reliable extreme duty valve. To manufacture the valves we use special aerospace quality alloys, including the EV8-Z18, which provides high tensile strength. An exclusive two-step slow forging process ensures proper grain flow and virtually eliminates any damage to thematerial structure. The valves are then heat-treated and stress-relieved over a 48-hour period, which is the crucial base of our molecular integrity. These valves feature avionics-quality hard chrome along with a specially applied hard tip.
Intake
Head Diameter: 37 mm
Stem Diameter: 5.97 mm
Overall Length: 104.6 mm
Tip Length: 3.5 mm
Reference: 19 Degree Super Flo. + 1 mm oversize
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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