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2002-2007 WRX/Sti Oil Control Valve 2002-2007 WRX/Sti Oil Control Valve

2002-2007 WRX/Sti Oil Control Valve

Prix Welkit $299.00
321 Stainless Holy Header w/EWG 321 Stainless Holy Header w/EWG

321 Stainless Holy Header w/EWG

Prix Welkit $1,799.00
Killer B Motorsport Air Oil Separator 02-07 Subaru Impreza WRX & STi / 04-08 FXT Killer B Motorsport Air Oil Separator 02-07 Subaru Impreza WRX & STi / 04-08 FXT

Killer B Motorsport Air Oil Separator 02-07 Subaru Impreza WRX & STi / 04-08 FXT

Prix Welkit $419.00
EJ20/EJ25 Performance Baffle EJ20/EJ25 Performance Baffle

EJ20/EJ25 Performance Baffle

Prix Welkit $79.00
Twin Scroll 321 Stainless WRX FA20 Header EWG Twin Scroll 321 Stainless WRX FA20 Header EWG

Twin Scroll 321 Stainless WRX FA20 Header EWG

Prix Welkit $1,149.00
Ultimate FA20 WRX Oil Pickup Ultimate FA20 WRX Oil Pickup

Ultimate FA20 WRX Oil Pickup

Prix Welkit $129.00
Upper Turbo Coolant Reservoir V2 Upper Turbo Coolant Reservoir V2

Upper Turbo Coolant Reservoir V2

Prix Welkit $169.00
Type-R Knob Black 6mt w/Rev Lockout Type-R Knob Black 6mt w/Rev Lockout

Type-R Knob Black 6mt w/Rev Lockout

Prix Welkit $29.00
EZ30 Subaru Oil Pickup EZ30 Subaru Oil Pickup

EZ30 Subaru Oil Pickup

Prix Welkit $139.00

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Latest Blog

17
Jun
A killer blog

Why we use Swain Tech

By Nick
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Swain Tech has developed and applied high-tech coatings for engine and exhaust parts for more than two decades. Some companies have tried to imitate S
12
Nov
A killer blog

Aftercooler / Intercooler 101 (bigger isn't better?)

By Nick
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There’s a lot of debate on the forums about what makes a great intercooler; core size, cross-section, fin density, length…? So what’s important? It de
12
Oct
A killer blog

Stainless and the Racer

By Nick
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While the corrosion resistance and elevated temperature properties of the various stainless steels make them popular in the aerospace, food handling a
12
Oct
A killer blog

Know Your Subaru WRX or STi Oil Pan

By Nick
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The details to follow are specific to USDM (United States Domestic Models) part number and common names and descriptions.
01
Oct
A killer blog

Killer B Motorsport FA20 WRX Oil Pickup

By Nick
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Like many of our other products, this is a solution to a problem.
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