Ferrea

Ferrea 6000 Series Exhaust Valves (Stock Size, Set/8), 2002-2005 WRX

Ferrea 6000 Series Intake Valves (+1mm Size, Set/8), 2002-2005 WRX

Ferrea 6000 Series Intake Valves (Stock Size, Set/8), 2002-2005 WRX

Ferrea Competition Plus Engine Valves (Exhaust, +1mm Oversized, Set/8), 2002-2005 WRX

Ferrea Competition Plus Engine Valves (Exhaust, Stock, Set/8), 2002-2005 WRX

Ferrea Competition Plus Engine Valves (Intake, +1mm Oversized, Set/8), 2002-2005 WRX

Ferrea Competition Plus Engine Valves (Intake, Stock, Set/8), 2002-2005 WRX

Ferrea Dual Valve Springs (Drag Racing, Set/16), 2002-2005 WRX

Ferrea Dual Valve Springs (Drag Racing, Set/16), 2004-2014 STi

Ferrea Dual Valve Springs (Endurance Racing, Set/16), 2002-2005 WRX

Ferrea Dual Valve Springs (Endurance Racing, Set/16), 2004-2014 STi

Ferrea Spring Seat Locators (Set/16), 2002-2005 WRX

Ferrea Spring Seat Locators (Set/16), 2004-2014 STi

Ferrea Super Alloy Engine Valves (Exhaust, +1mm Oversized, Set/8), 2004-2014 STi

Ferrea Super Alloy Engine Valves (Exhaust, Stock, Set/8), 2004-2014 STi

Ferrea Super Alloy Engine Valves (Intake, +1mm Oversized, Set/8), 2004-2014 STi

Ferrea Super Alloy Engine Valves (Intake, Stock, Set/8), 2004-2014 STi

Ferrea Titanium Retainers (Step Diameter 15.70mm, Set/16), 2002-2005 WRX

Ferrea Titanium Retainers (Step Diameter 15.70mm, Set/16), 2002-2014 WRX & 2004-2021 STi

Ferrea Titanium Retainers (Step Diameter 16.51mm, Set/16), 2004-2021 STi

Ferrea Tool Steel Retainers (Set/16), 2002-2005 WRX

Ferrea Valve Guides (Exhaust, +.001, Set/8), 2002-2005 WRX & 2004-2021 STi

Ferrea Valve Guides (Exhaust, Standard Size, Set/8), 2002-2005 WRX & 2004-2021 STi