2008-2014 Subaru STi - Engine

GSC Single Beehive Valve Springs w/ Ti Retainers (Set/16), 2002-2014 WRX & 2004-2021 STi

GSC Intake Valve Guides (Manganese Bronze, Traditional, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Exhaust Valve Guides (Manganese Bronze, Traditional, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Intake Valve Guides (Manganese Bronze, w/ Depth Stopper, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Exhaust Valve Guides (Manganese Bronze, w/ Depth Stopper, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Super Alloy Exhaust Valves (+1mm/33mm, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Super Alloy Exhaust Valves (Std/32mm, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Intake Valves (21-4N Stainless, 37mm, +1mm, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Exhaust Valves (23-8N Chrome Polished, 33mm, +1mm, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Intake Valves (21-4N Stainless, 36mm, Std Size, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Exhaust Valves (23-8N Chrome Polished, 32mm, Std Size, Set/8), 2002-2014 WRX & 2004-2021 STi

GSC Viton Valve Stem Seals (6mm, Set/16), 2002-2014 WRX & 2004-2021 STi

GrimmSpeed Top Mount Intercooler Y-Pipe Gaskets (Pair/2), 2002-2007 WRX & 2004-2021 STi

GrimmSpeed Throttle Body Gasket, 2004-2021 STi & 2006-2014 WRX

GrimmSpeed TGV => Head Gasket (Pair/2), 2002-2014 WRX & 2004-2021 STi

GrimmSpeed Intake Manifold => TGV Gasket (Pair/2), 2002-2014 WRX & 2004-2021 STi

GrimmSpeed Crank Pulley Removal / Install Tool, 2002-2014 WRX & 2004-2021 STi

Whiteline Pitch Stop Mount (Billet Aluminum, Black), 2002-2026 WRX & STi

Wiseco Forged Pistons (Set/4, 99.75mm, 9.05cr), 2004-2021 STi & 2006-2014 WRX

Wiseco Forged Pistons (Set/4, 99.5mm, 9.0cr), 2004-2021 STi & 2006-2014 WRX

Wiseco Forged Pistons (Set/4, 100mm, 9.1cr), 2004-2021 STi & 2006-2014 WRX

Wiseco Forged Pistons (Set/4, 99.5mm, 8.65cr), 2004-2021 STi & 2006-2014 WRX

Wiseco Forged Pistons (Set/4, 100mm, 8.75cr), 2004-2021 STi & 2006-2014 WRX