2004-2007 Subaru STi - Engine

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

GFB Replacement Belt Kit For GFB Kit 2001 (2 Belts), 2004-2007 WRX & STi

GFB 3-Piece Underdrive Pulley Kit (Crank, Alt & PS w/ Belts), 2004-2007 WRX & STi

GFB 2-piece Underdrive Pulley Kit (Crank & Alt, w/ Belts), 2004-2007 WRX & STi

Gates Timing Belt Kit w/ Water Pump & Blue Racing Belt, 2005-2007 WRX & 2008-2015 STi

Gates Timing Belt Replacement Kit w/ Water Pump, 2005-2007 WRX & 2004-2016 STi

Gates Timing Belt Replacement Kit, 2003-2014 WRX & 2004-2016 STi

Gates Micro-V Serpentine A/C Belt, 2002-2007 WRX & 2004-2007 STi

Gates Timing Belt (Blue Racing), 2002-2014 WRX & 2004-2021 STi

Gates Timing Belt (Standard), 2002-2014 WRX & 2004-2021 STi