2008 - 2014 STI

The pitch stop is designed to reduce front to back engine movement under acceleration and braking. In order to achieve maximum comfort, the factory...

The Killer B Motorsport V4 Performance Cast Oil pan is designed to reliably meet the demands of high-performance Subaru Engines used on street or t...

The PERRIN Performance Air Oil Separator traps oil from the crank case vents before it enters the intake, thus increasing intercooler efficiency an...

This kit has been designed to work with the Torque Solution Top Feed Fuel Rails and utilizes the OEM hard lines on your Subaru. It is also supplied...

This is the Killer B Motorsport Windage Tray. This tray has been designed to help reduce oil sloshing from one bank of the engine to the other unde...

The factory oil pickup is failure-prone and can lead to engine failure. What happens is that the tube will end up cracking, sometimes at the welds,...

Bang For Your Buck! Whiteline's Positive Shift Kit inserts into the factory gearbox mount and results in a greatly improved shift feel and response...

These mounts are made out of high-grade billet aluminum materials with steel studs to keep your engine in place under hard acceleration, cornering,...

The intended purpose of this mount is to eliminate any excessive drivetrain movement and to keep your transmission in place under hard acceleration...

The Hyper V-Core Series is the newest to the Koyorad | Koyo All Aluminum Racing Radiator lineup. An engine's cooling system in many newer vehi...