2004-2007 Subaru STi - Engine

SuperTech Viton Valve Seal (Exhaust, Set/8), 2002-2014 WRX & 2004-2021 STi

SuperTech Viton Valve Seal (Intake, Set/8), 2002-2014 WRX & 2004-2021 STi

SuperTech Inconel Exhaust Valve (32mm, Std., Std. Length), 2002-2014 WRX & 2004-2021 STi

SuperTech Exhaust Valve (32mm, Std.), 2002-2014 WRX & 2004-2021 STi

SuperTech Black Nitrided Intake Valve (+1mm, Std. Length), 2002-2014 WRX & 2004-2021 STi

SuperTech Black Nitrided Intake Valve (+0.5mm, Std. Length), 2002-2014 WRX & 2004-2021 STi

SuperTech Black Nitrided Intake Valve (36mm, Std.), 2002-2014 WRX & 2004-2021 STi

Red Line WaterWetter Coolant Additive (12oz.)

Red Line SI-1 Fuel System Cleaner (15oz.)

Red Line Water Remover & Antifreeze Fuel Additive (12oz.)

OAKOS Subaru Turbo Oil Drain Hose Kit, 2002-2014 WRX & 2004-2021 STi

Overtake Drive-By-Wire Throttle Body Gasket, 2004-2021 STi & 2006-2007 WRX

HKS Oil Filter (68mm, M20x1.5mm, Type 1), 2002-2021 WRX & STi

Overtake Pitch Stop Mount (Street Version), 2002-2026 WRX & 2004-2021 STi

Overtake Pitch Stop Mount (Race Version), 2002-2026 WRX & 2004-2021 STi

Killer B Ultimate Oil Pickup Baffle Combo, 2006-2014 WRX & 2004-2021 STi

Overtake Intake Manifold => TGV Gaskets w/ Enlarged Bore (Pair/2), 2002-2014 WRX & 2004-2021 STi

Radium Engineering Fuel Rails Plumbing Kit (Parallel), 2002-2014 WRX & 2004-2021 STi

Radium Engineering Fuel Rails Plumbing Kit, 2002-2014 WRX & 2004-2021 STi

Perrin Oil Cooler Kit (Tuner Kit w/o Lines), 2002-2014 WRX & 2004-2021 STi

Radium Engineering Dual Catch Can Kit (Fluid Lock), 2002-2014 WRX & 2004-2021 STi

Perrin Oil Cooler Kit (Full Kit w/ Lines), 2002-2014 WRX & 2004-2021 STi

HKS Limited Edition Radiator Cap (S-Type), 2002-2026 WRX & 2004-2021 STi