2004-2007 Subaru STi - Engine

Fuelab EFI Adjustable Fuel Pressure Regulator (-10AN Inlet, -6AN Return, Red)

Fuelab EFI Adjustable Fuel Pressure Regulator (-10AN Inlet, -6AN Return, Black)

Fuelab Inline Fuel Pump (-10AN Fittings, Black)

Greddy Timing Belt (EJ20), 2002-2014 WRX & 2004-2021 STi

Greddy Oil Cooler Kit - 13 Row, 2002-2007 WRX & 2004-2007 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 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 Valve Guides (Intake, +.001, Set/8), 2002-2005 WRX & 2004-2021 STi

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

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

Ferrea Valve Seals (Intake, 6mm, Set/8), 2002-2005 WRX & 2004-2014 STi

Ferrea Valve Seals (Exhaust, 6mm, Set/8), 2002-2005 WRX & 2004-2014 STi

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

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

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

Ferrea Valve Locks (Set/16), 2004-2014 STi

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

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

GFB Subaru Lightweight Non-Underdrive Crank Pulley, 2002-2014 WRX & 2004-2021 STi

GFB Replacement Belt Kit For GFB Pulley Kit 2010 (2 Belts), 2003-2007 WRX & STi