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In Stock
$1,064.02
$1,477.92
Ferrea 'Endurance' Dual Valve Spring Kit | Honda/Acura K20 (KT4003)
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In Stock
$896.11
$1,244.64
Ferrea Turbo Single Spring Kit | 2017+ Honda Civic Type-R (KT4033)
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In Stock
$40.37
$56.06
Ferrea 104.75mm / 25 Deg / Flo / Super Alloy Exhaust Valve | 2004-2008 Subaru WRX STI (F1514P)
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In Stock
$40.37
$56.06
Ferrea 104.75mm / 25 Deg / Flo / +1mm Super Alloy Exhaust Valve | 2004-2008 Subaru WRX STi (F1519P)
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$31.55
$43.83
Ferrea 105.1mm / 24 Deg S-Flo / Stock Groove Comp Plus Intake Valve | Multiple Audi/Volkswagen Fitments (F1556P)
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$21.55
$29.93
Ferrea Double Spring 7 Degree Pro CNC Titanium Retainer | 1990 - 2000 Acura Integra & 2002 - 2006 Acura RSX (E11066)
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$1,093.61
$1,518.96
Ferrea Single Spring Kit | 2008 – 2012 BMW 740i & 2011 – 2013 BMW 335is (KT4026)
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In Stock
$31.55
$43.83
Ferrea Competition Plus Alloy Exhaust Valves | 1994-1997 Honda Civic Si and 1992-2000 Acura Integra (F1449P)
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In Stock
$1,041.41
$1,446.56
Ferrea 'Drag' Dual Valve Spring Kit | Honda/Acura K20 (KT4004)
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In Stock
$30.23
$41.99
Ferrea Honda B17A1/B18C1/C3 - 25 Deg / S-Flo / Stock Comp Plus Intake Valve | Multiple Acura/Honda Fitments (F1448P)
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In Stock
Save 28%
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$31.55
$43.83
Ferrea 99.5mm / 25 Deg Flo / +1mm Super Alloy Exhaust Valve | 1990-1995 Toyota MR2 (F1866P)
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$32.84
$45.61
Ferrea VW 1.8T 20V Exhaust Dual Valve Spring | Multiple Audi/Volkswagen Fitments (S10056)
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In Stock
$38.78
$53.86
Ferrea 106.90mm / 19 Deg S-Flo / +1mm Single Groove Super Alloy Exhaust Valve | 1992-2002 Volkswagen Golf/Jetta (F1921P)
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In Stock
$23.79
$33.04
Ferrea VW 2.0T FSI Single Spring 7 Deg Pro CNC Titanium Retainer | 2006-2013 Audi A4, and 2015-2016 Volkswagen Golf R (E11129)
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