Valvetrain

SuperTech Exhaust Valve (32mm, Std.), 2002-2014 WRX & 2004-2019 STi
Available For Order!

SuperTech Exhaust Valve (32mm, Std.), 2002-2014 WRX & 2004-2019 STi

$18.45

SuperTech Valve Spring Kit, 2002-2014 WRX & 2004-2019 STi
Available For Order!

SuperTech Valve Spring Kit, 2002-2014 WRX & 2004-2019 STi

$436.16

Cosworth High RPM Valvetrain Set (Single Springs), '02-'14 WRX & '04-'19 STi
Available For Order!

Cosworth High RPM Valvetrain Set (Single Springs), '02-'14 WRX & '04-'19 STi

$380.00

Ferrea Titanium Retainers (Step Diameter 15.70mm), 2004-2019 STi
Available For Order!

Ferrea Titanium Retainers (Step Diameter 15.70mm), 2004-2019 STi

$15.07

Ferrea Titanium Retainers (Step Diameter 16.51mm), 2004-2019 STi
Available For Order!

Ferrea Titanium Retainers (Step Diameter 16.51mm), 2004-2019 STi

$15.07

Ferrea Dual Valve Springs (Drag Racing), 2004-2014 STi
Available For Order!

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

$22.87

Ferrea Dual Valve Springs (Endurance Racing), 2004-2014 STi
Available For Order!

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

$22.87

Ferrea Spring Seat Locators, 2004-2014 STi
Available For Order!

Ferrea Spring Seat Locators, 2004-2014 STi

$7.59

SuperTech Inconel Exhaust Valve (+1mm), 2002-2014 WRX & 2004-2019 STi
Available For Order!

SuperTech Inconel Exhaust Valve (+1mm), 2002-2014 WRX & 2004-2019 STi

$26.70

SuperTech Exhaust Valve, 2002-2014 WRX & 2004-2019 STi
Available For Order!

SuperTech Exhaust Valve, 2002-2014 WRX & 2004-2019 STi

$17.53

SuperTech Exhaust Valve, 2002-2014 WRX & 2004-2019 STi
Available For Order!

SuperTech Exhaust Valve, 2002-2014 WRX & 2004-2019 STi

$17.74

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi
Available For Order!

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi

$7.51

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi
Available For Order!

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi

$7.51

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi
Available For Order!

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi

$6.55

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi
Available For Order!

Ferrea Valve Guides, 2002-2005 WRX & 2004-2019 STi

$6.55

Ferrea Super Alloy Engine Valve (Exhaust, Stock), 2004-2014 STi
Available For Order!

Ferrea Super Alloy Engine Valve (Exhaust, Stock), 2004-2014 STi

$32.58

Ferrea Super Alloy Engine Valve (Exhaust, +1mm Oversized), '04-'14 STi
Available For Order!

Ferrea Super Alloy Engine Valve (Exhaust, +1mm Oversized), '04-'14 STi

$32.58

Ferrea Super Alloy Engine Valve (Intake, Stock), 2004-2014 STi
Available For Order!

Ferrea Super Alloy Engine Valve (Intake, Stock), 2004-2014 STi

$25.48

Ferrea Super Alloy Engine Valve (Intake, +1mm Oversized), '04-'14 STi
Available For Order!

Ferrea Super Alloy Engine Valve (Intake, +1mm Oversized), '04-'14 STi

$25.48

GSC Viton Valve Stem Seals (Set/16), 2002-2014 WRX & 2004-2019 STi
Available For Order!

GSC Viton Valve Stem Seals (Set/16), 2002-2014 WRX & 2004-2019 STi

$12.33

GSC Exhaust Valves (32mm, Std Size, Set/8), '02-'14 WRX & '04-'19 STi
Available For Order!

GSC Exhaust Valves (32mm, Std Size, Set/8), '02-'14 WRX & '04-'19 STi

$114.58

GSC Exhaust Valves (33mm, +1mm, Set/8), 2002-2014 WRX & 2004-2019 STi
Available For Order!

GSC Exhaust Valves (33mm, +1mm, Set/8), 2002-2014 WRX & 2004-2019 STi

$114.58

GSC Super Alloy Exhaust Valves (Std/32mm, Set/8), '02-'14 WRX & '04-'19 STi
Available For Order!

GSC Super Alloy Exhaust Valves (Std/32mm, Set/8), '02-'14 WRX & '04-'19 STi

$190.40

GSC Super Alloy Exhaust Valves (+1mm/33mm, Set/8), '02-'14 WRX & '04-'19 STi
Available For Order!

GSC Super Alloy Exhaust Valves (+1mm/33mm, Set/8), '02-'14 WRX & '04-'19 STi

$190.40

Tomei Titanium Valve Spring Retainers, 2002-2014 WRX & 2004-2019 STi
Available For Order!

Tomei Titanium Valve Spring Retainers, 2002-2014 WRX & 2004-2019 STi

$388.80

Tomei Valve Spring Sheet (0.2mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.2mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$11.00

Tomei Valve Spring Sheet (0.3mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.3mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$11.00

Tomei Valve Spring Sheet (0.5mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.5mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$11.00

Tomei Valve Guide Set, 2002-2014 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Guide Set, 2002-2014 WRX & 2004-2019 STi

$288.00

Tomei Oversize Valve Set, 2002-2014 WRX & 2004-2018 STi
Available For Order!

Tomei Oversize Valve Set, 2002-2014 WRX & 2004-2018 STi

$432.00

SuperTech Viton Valve Seal (Intake, Set/8), '02-'14 WRX & '04-'19 STi
Available For Order!

SuperTech Viton Valve Seal (Intake, Set/8), '02-'14 WRX & '04-'19 STi

$5.76

SuperTech Viton Valve Seal (Exhaust, Set/8), '02-'14 WRX & '04-'19 STi
Available For Order!

SuperTech Viton Valve Seal (Exhaust, Set/8), '02-'14 WRX & '04-'19 STi

$8.32

Subaru (OEM) Valve Seal, 2002-2014 WRX & 2004-2019 STi
In Stock!

Subaru (OEM) Valve Seal, 2002-2014 WRX & 2004-2019 STi

$5.96

Tomei Valve Spring Sheet (0.2mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.2mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$9.90

Tomei Valve Spring Sheet (0.3mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.3mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$9.90

Tomei Valve Spring Sheet (0.5mm, Set/8), 2002-2007 WRX & 2004-2019 STi
Available For Order!

Tomei Valve Spring Sheet (0.5mm, Set/8), 2002-2007 WRX & 2004-2019 STi

$9.90